file , inheritance ,try

Daya2550 · Daya2550 · commit 03a13c5b3ab9 · 2024-08-07T16:54:45.000+05:30
diff --git a/File handling/demo.txt b/File handling/demo.txt
diff --git a/File handling/open.py b/File handling/open.py
@@ -0,0 +1,2 @@
+f = open("demo.txt","r")
+print(f.read())
diff --git a/File handling/read.py b/File handling/read.py
diff --git a/File handling/remove.py b/File handling/remove.py
@@ -0,0 +1,2 @@
+import os
+os.remove("demofile2.txt")
diff --git a/File handling/write.py b/File handling/write.py
@@ -0,0 +1,7 @@
+f = open("demofile2.txt", "a")
+f.write("Now the file has more content!")
+f.close()
+
+#open and read the file after the appending:
+f = open("demofile2.txt", "r")
+print(f.read())
diff --git a/Iterators/basic.py b/Iterators/basic.py
@@ -0,0 +1,6 @@
+mytuple = ("apple", "banana", "cherry")
+myit = iter(mytuple)
+
+print(next(myit))
+print(next(myit))
+print(next(myit))
diff --git a/Iterators/ex.py b/Iterators/ex.py
@@ -0,0 +1,18 @@
+class MyNumbers:
+  def __iter__(self):
+    self.a = 1
+    return self
+
+  def __next__(self):
+    x = self.a
+    self.a += 1
+    return x
+
+myclass = MyNumbers()
+myiter = iter(myclass)
+
+print(next(myiter))
+print(next(myiter))
+print(next(myiter))
+print(next(myiter))
+print(next(myiter))
diff --git a/Iterators/string.py b/Iterators/string.py
@@ -0,0 +1,9 @@
+mystr = "banana"
+myit = iter(mystr)
+
+print(next(myit))
+print(next(myit))
+print(next(myit))
+print(next(myit))
+print(next(myit))
+print(next(myit))
diff --git a/inheritance/basic.py b/inheritance/basic.py
@@ -0,0 +1,9 @@
+class parent:
+    x=10
+class child(parent):
+    x=5
+
+obp=parent()
+obc=child()
+print(obp.x) 
+print(obc.x)       
diff --git a/inheritance/ex.py b/inheritance/ex.py
diff --git a/inheritance/parenttochild.py b/inheritance/parenttochild.py
@@ -0,0 +1,14 @@
+class Person:
+  def __init__(self, fname, lname):
+    self.firstname = fname
+    self.lastname = lname
+
+  def printname(self):
+    print(self.firstname, self.lastname)
+
+class Student(Person):
+  def __init__(self, fname, lname):
+    Person.__init__(self, fname, lname)
+
+x = Student("daya", "jagadle")
+x.printname()
diff --git a/inheritance/super.py b/inheritance/super.py
@@ -0,0 +1,14 @@
+class Person:
+  def __init__(self, fname, lname):
+    self.firstname = fname
+    self.lastname = lname
+
+  def printname(self):
+    print(self.firstname, self.lastname)
+
+class Student(Person):
+  def __init__(self, fname, lname):
+   super().__init__( fname, lname)
+
+x = Student("dayanand", "jagadle")
+x.printname()
diff --git a/try_catche/basic.py b/try_catche/basic.py
@@ -0,0 +1,7 @@
+try:
+    x=5+5
+    print(x)
+except :
+    print("an error occured")
+finally:
+    print("this is always executed")        
diff --git a/try_catche/else.py b/try_catche/else.py
@@ -0,0 +1,7 @@
+try:
+    print("hi")
+except :
+    print("Error occurred")
+else:
+    print("No error occurred")    
+        
diff --git a/try_catche/notdefine.py b/try_catche/notdefine.py
@@ -0,0 +1,6 @@
+try:
+  print(x)
+except NameError:
+  print("Variable x is not defined")
+except:
+  print("Something else went wrong")
diff --git a/try_catche/raise.py b/try_catche/raise.py
@@ -0,0 +1,3 @@
+x=-1
+if(x>0):
+    raise ValueError("somthin wentes wrong")
diff --git a/variables/canvert.py b/variables/canvert.py
@@ -0,0 +1,9 @@
+def myfunc():
+  global x
+  x = 300
+  #nonlocal x
+  print(x)
+
+myfunc()
+
+print(x)

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+f = open("demo.txt","r")`
	`2`	`+print(f.read())`
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+import os`
	`2`	`+os.remove("demofile2.txt")`