__name__ to prevent unnessary call

Author: RyomenDev

_46_demo.py

@@ -1,10 +1,12 @@
 
-print('hello '+__name__)
+print('hello from demo'+__name__)
 
 def main():
 
     print('hello')
     print('welcome user')
 
 if __name__ == '__main__':
-    main()
+    main() # to prevent call if just imported
+
+# main()

_46_specialvariable__name__.py

@@ -1,9 +1,12 @@
 
 
-import _46_demo
+# print(__name__) # __main__
+# print('hello'+__name__) # hello__main__
 
-# print(__name__)
-print('hello'+__name__)
+import _46_demo #hello from demo_46_demo
+
+# print(__name__) # __main__
+print('hello from sp'+__name__)  # hello from sp__main__
 print("its time to calculate")