Added namespace, dunder examples

qtsathish · qtsathish · commit 080779ae61dd · 2021-06-06T17:03:51.000+05:30
diff --git a/May21/namespacesandscopes/dunder.py b/May21/namespacesandscopes/dunder.py
@@ -0,0 +1,9 @@
+def exploring():
+    """
+    This function is created for exploring dunder variables
+    """
+    print(f"Name of this function is {exploring.__name__}")
+    print(f"And its documentation is {exploring.__doc__}")
+
+print(f'globals: ', globals())
+exploring()
diff --git a/May21/namespacesandscopes/namespace_demo.py b/May21/namespacesandscopes/namespace_demo.py
@@ -0,0 +1,17 @@
+course = 'python'
+
+def change_local():
+    """
+    This method will change the local value
+    """
+    course = 'django'
+    print('locals: ',locals())
+
+def print_globals():
+    """
+    This method is used to print globas
+    """
+    print('globals: ',globals())
+
+change_local()
+print_globals()
diff --git a/May21/namespacesandscopes/namingfunctions.py b/May21/namespacesandscopes/namingfunctions.py
@@ -0,0 +1,19 @@
+def sum(*items):
+    """
+    This function calculates sum of items
+    """
+    print('using our sum method')
+    result = 0
+    for item in items:
+        result += item
+    return result
+
+result = sum(1,2,3,4,5)
+print(result)
+# This statement deletes the function from current namespace 
+# so that built can be used
+del sum
+# We want to use built in method
+result = sum([1,2,3,4,5,6])
+print(result)
+
