basic_python_global_local2.py

## Creating a global variable
a = "Hello! Welcome to python tutorials."

def func():
  ## It is another local variable of function func()
  a = "Hello! Everyone"
  print(a)
  
## Here it will print the value of global variable "a" which is not changed even if the a's value
## in function func() is changed because func() is not accessing the global variable and then chnaging it.
## It is actually creating another local variable.
func()
## It will print global variable value.
print(a)
  
  #[Output]:
  "Hello! Everyone"
  "Hello! Welcome to python tutorials."