Condition_Statements.ipynb

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    "# Condition Statements\n",
    "\n",
    "Condition statements or Control flow statements or Desicion Control Statements are statements that are used to control the flow or execution of a program.\n",
    "The flow is controlled the values of few variables that decide the proceedings of a program."
   ]
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    "The conditions statements have same basic structure in all programming languages.\n",
    "The list of Control statements are:\n",
    "1. *if* statement\n",
    "2. *if - else* statements\n",
    "3. *if - elif - else* statements\n",
    "4. Nested *if - else* statements\n",
    "5. Inline *if - else* statements"
   ]
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    "The condition given in the if statements need to result in allowed boolean values.  \n",
    "1. For integral type: value!=0 is True and value=0 is False  \n",
    "2. For list and tuple: length(value)>0 is True and length=0 is False  \n",
    "(boolean as applicable)"
   ]
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    "#### 1. if statement:\n",
    "Executes the statements inside the block only if the condition is satisfied.\n",
    "\n",
    "Syntax: \n",
    "```python\n",
    "if condition:  \n",
    "    Statements\n",
    "```"
   ]
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   "source": [
    "#### Note: Indentation in python indicates blocks."
   ]
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      "18\n"
     ]
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   "source": [
    "# Example\n",
    "x = 14\n",
    "y = 18\n",
    "if y>x:\n",
    "    print(y)"
   ]
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     "text": [
      "-1\n",
      "not zero\n"
     ]
    }
   ],
   "source": [
    "# Example2\n",
    "x = int(input())\n",
    "if x:\n",
    "    print('not zero')\n",
    "\n",
    "# Input: -1"
   ]
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   "source": [
    "#### 2. *if - else* statements:\n",
    "Executes *else* when *if* condition fails  \n",
    "Syntax:  \n",
    "```python\n",
    "if condition1:  \n",
    "    Statements  \n",
    "else:  \n",
    "    Statements\n",
    "```"
   ]
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   "source": [
    "#### 3. *if - elif - else* statements:\n",
    "Checks for truth of *elif* statement when *if* statement fails. Chain of *if-else*  \n",
    "Syntax:  \n",
    "```python\n",
    "if condition1:  \n",
    "    Statements  \n",
    "elif condition2:  \n",
    "    Statements  \n",
    "else:  \n",
    "    Statements\n",
    "```"
   ]
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   "source": [
    "#### 4. Nested *if - else* statements:\n",
    "*if else* within another *if else* statement\n",
    "\n",
    "Syntax:\n",
    "```python\n",
    "if condition1:  \n",
    "    if condition2:  \n",
    "        Statements  \n",
    "    else:  \n",
    "        Statements  \n",
    "else:  \n",
    "    if condition3:  \n",
    "        Statements  \n",
    "    else:  \n",
    "        Statements  \n",
    "```"
   ]
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   "cell_type": "markdown",
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   "source": [
    "#### 5. Inline *if - else* statements:\n",
    "One liner of *if else* statements\n",
    "\n",
    "Syntax:\n",
    "```python\n",
    "Statement1 if condition else Statement2\n",
    "```"
   ]
  }
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