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‎.ipynb_checkpoints/Modules_and_Packages-checkpoint.ipynb‎

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@@ -15,9 +15,11 @@
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"metadata": {},
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"source": [
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"Few built-in Modules are:\n",
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"1. math\n",
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"2. cmath\n",
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"3. sys\n",
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"1. \\_\\_builtins\\_\\_\n",
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"0. \\_\\_file\\_\\_\n",
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"2. math\n",
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"3. cmath\n",
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"2. sys\n",
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"4. os\n",
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"5. itertools\n",
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"6. string"
@@ -48,12 +50,19 @@
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"<br>\n",
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"prime = 2 <br>\n",
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"prime_square = 4 <br>\n",
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"\\_\\_primeval\\_\\_ = 3<br>\n",
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"<br>\n",
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"if \\_\\_name\\_\\_ == '\\_\\_main\\_\\_': <br>\n",
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"&nbsp;&nbsp;&nbsp;&nbsp; t = time()<br>\n",
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"&nbsp;&nbsp;&nbsp;&nbsp; for i in prime_gen(10 ** 2):<br>\n",
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"&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; print(i)<br>\n",
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"&nbsp;&nbsp;&nbsp;&nbsp; print(time()-t)"
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"&nbsp;&nbsp;&nbsp;&nbsp; print(time()-t)\n",
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"\n",
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"Contents:\n",
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"1. prime_gen - function\n",
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"2. prime - varaiable (constant when imported)\n",
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"3. prime_square - variable (constant when imported)\n",
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"4. \\_\\_primeval\\_\\_ - private value"
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]
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},
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{
@@ -120,40 +129,346 @@
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"## Importing all the functions from the module:\n",
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"## Importing all the objects from the module:\n",
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"To import all the functions or objects, use * .\n",
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"\n",
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"Syntax: `from module_name import *`"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 1,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"2 3 5 7 11 13 17 19 "
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]
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}
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],
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"source": [
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"from prime_gen import *\n",
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"\n",
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"for i in prime_gen.prime_gen(20):\n",
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" print(i, end=' ')\n"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"## as Keyword:\n",
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"## **as** Keyword:\n",
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"*as* Keyword is used to have a custom name for imported module or function.\n",
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"\n",
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"Syntax: \n",
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"`import moule_name as custom_name` \n",
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"`from module_name import function_name as custom_name`"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 3,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"2 3 5 7 11 13 17 19 "
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]
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}
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],
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"source": [
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"import prime_gen as pg\n",
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"\n",
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"for i in pg.prime_gen(20):\n",
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" print(i, end=' ')"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 4,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"2 3 5 7 11 13 17 19 "
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]
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}
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],
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"source": [
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"from prime_gen import prime_gen as pgf\n",
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"\n",
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"for i in pgf(20):\n",
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" print(i, end=' ')"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"## \\_\\_name\\_\\_ method:\n",
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"It returns the name of the module.\n",
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"It returns the name of the module without the extension. If called for main executing program (main module), it returns '\\_\\_main\\_\\_'\n",
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"\n",
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"Syntax: `module_name.__name__`"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 5,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"prime_gen\n",
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"__main__\n"
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]
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}
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],
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"source": [
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"import prime_gen\n",
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"\n",
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"print(prime_gen.__name__)\n",
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"print(__name__)"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"## dir method:\n"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 7,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"['__builtins__', '__cached__', '__doc__', '__file__', '__loader__', '__name__', '__package__', '__spec__', 'accumulate', 'acos', 'acosh', 'altzone', 'asctime', 'asin', 'asinh', 'atan', 'atan2', 'atanh', 'ceil', 'chain', 'comb', 'combinations', 'combinations_with_replacement', 'compress', 'copysign', 'cos', 'cosh', 'count', 'ctime', 'cycle', 'daylight', 'degrees', 'dist', 'dropwhile', 'e', 'erf', 'erfc', 'exp', 'expm1', 'fabs', 'factorial', 'filterfalse', 'floor', 'fmod', 'frexp', 'fsum', 'gamma', 'gcd', 'get_clock_info', 'gmtime', 'groupby', 'hypot', 'inf', 'isclose', 'isfinite', 'isinf', 'islice', 'isnan', 'isqrt', 'ldexp', 'lgamma', 'localtime', 'log', 'log10', 'log1p', 'log2', 'mktime', 'modf', 'monotonic', 'monotonic_ns', 'nan', 'perf_counter', 'perf_counter_ns', 'perm', 'permutations', 'pi', 'pow', 'prime', 'prime_gen', 'prime_square', 'process_time', 'process_time_ns', 'prod', 'product', 'radians', 'remainder', 'repeat', 'sin', 'sinh', 'sleep', 'sqrt', 'starmap', 'strftime', 'strptime', 'struct_time', 'takewhile', 'tan', 'tanh', 'tau', 'tee', 'thread_time', 'thread_time_ns', 'time', 'time_ns', 'timezone', 'trunc', 'tzname', 'zip_longest']\n",
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"\n",
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"['In', 'Out', '_', '__', '___', '__builtin__', '__builtins__', '__doc__', '__loader__', '__name__', '__package__', '__spec__', '_dh', '_i', '_i1', '_i2', '_i3', '_i4', '_i5', '_i6', '_i7', '_ih', '_ii', '_iii', '_oh', 'exit', 'get_ipython', 'i', 'pg', 'pgf', 'prime_gen', 'quit']\n"
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]
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}
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],
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"source": [
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"import prime_gen\n",
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"\n",
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"print(dir(prime_gen))\n",
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"print()\n",
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"print(dir())"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"outputs": [],
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"source": []
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"source": [
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"## namespace:\n"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"## Global, Local and Built-in Namespaces"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"## Builtins:\n",
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"\n",
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"\\_\\_builins\\_\\_ module contains the list of methods and variables that are standard definitions in Python."
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]
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},
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{
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"cell_type": "code",
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"execution_count": 8,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"ArithmeticError\n",
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"AssertionError\n",
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"AttributeError\n",
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"BaseException\n",
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"BlockingIOError\n",
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"BrokenPipeError\n",
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"BufferError\n",
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"BytesWarning\n",
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"ChildProcessError\n",
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"ConnectionAbortedError\n",
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"ConnectionError\n",
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"ConnectionRefusedError\n",
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"ConnectionResetError\n",
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"DeprecationWarning\n",
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"EOFError\n",
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"Ellipsis\n",
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"EnvironmentError\n",
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"Exception\n",
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"False\n",
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"FileExistsError\n",
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"FileNotFoundError\n",
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"FloatingPointError\n",
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"FutureWarning\n",
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"GeneratorExit\n",
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"IOError\n",
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"ImportError\n",
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"ImportWarning\n",
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"IndentationError\n",
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"IndexError\n",
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"InterruptedError\n",
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"IsADirectoryError\n",
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"KeyError\n",
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"KeyboardInterrupt\n",
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"LookupError\n",
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"MemoryError\n",
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"ModuleNotFoundError\n",
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"NameError\n",
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"None\n",
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"NotADirectoryError\n",
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"NotImplemented\n",
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"NotImplementedError\n",
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"OSError\n",
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"OverflowError\n",
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"PendingDeprecationWarning\n",
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"PermissionError\n",
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"ProcessLookupError\n",
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"RecursionError\n",
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"ReferenceError\n",
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"ResourceWarning\n",
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"RuntimeError\n",
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"RuntimeWarning\n",
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"StopAsyncIteration\n",
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"StopIteration\n",
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"SyntaxError\n",
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"SyntaxWarning\n",
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"SystemError\n",
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"SystemExit\n",
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"TabError\n",
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"TimeoutError\n",
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"True\n",
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"TypeError\n",
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"UnboundLocalError\n",
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"UnicodeDecodeError\n",
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"UnicodeEncodeError\n",
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"UnicodeError\n",
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"UnicodeTranslateError\n",
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"UnicodeWarning\n",
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"UserWarning\n",
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"ValueError\n",
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"Warning\n",
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"WindowsError\n",
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"ZeroDivisionError\n",
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"__IPYTHON__\n",
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"__build_class__\n",
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"__debug__\n",
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"__doc__\n",
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"__import__\n",
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"__loader__\n",
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"__name__\n",
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"__package__\n",
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"__spec__\n",
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"abs\n",
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"all\n",
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"any\n",
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"ascii\n",
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"bin\n",
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"bool\n",
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"breakpoint\n",
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"bytearray\n",
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"bytes\n",
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"callable\n",
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"chr\n",
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"classmethod\n",
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"compile\n",
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"complex\n",
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"copyright\n",
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"credits\n",
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"delattr\n",
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"dict\n",
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"dir\n",
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"display\n",
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"divmod\n",
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"enumerate\n",
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"eval\n",
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"exec\n",
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"filter\n",
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"float\n",
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"format\n",
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"frozenset\n",
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"get_ipython\n",
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"getattr\n",
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"globals\n",
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"hasattr\n",
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"hash\n",
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"help\n",
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"hex\n",
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"id\n",
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"input\n",
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"int\n",
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"isinstance\n",
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"issubclass\n",
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"iter\n",
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"len\n",
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"license\n",
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"list\n",
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"locals\n",
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"map\n",
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"max\n",
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"memoryview\n",
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"min\n",
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"next\n",
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"object\n",
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"oct\n",
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"open\n",
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"ord\n",
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"pow\n",
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"print\n",
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"property\n",
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"range\n",
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"repr\n",
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"reversed\n",
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"round\n",
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"set\n",
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"setattr\n",
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"slice\n",
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"sorted\n",
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"staticmethod\n",
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"str\n",
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"sum\n",
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"super\n",
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"tuple\n",
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"type\n",
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"vars\n",
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"zip\n"
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]
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}
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],
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"source": [
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"builtin = dir(__builtins__)\n",
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"for i in builtin:\n",
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" print(i)"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"## Private in modules:"
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]
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}
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],
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"metadata": {

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