# coding:utf-8
# local scope
"""
    A variable created inside a function 
belongs to the local scope of that function,
and can only be used inside that function.
"""
        
def myfunc():  #引数無し関数の定義
    x = 300
    print(x)

myfunc()#関数の呼出し

def myfunc():  #引数無し関数の定義
    x = 300
    def myinnerfunc():   #引数無し関数の定義
        print(x)
    myinnerfunc()    #関数の呼出し

myfunc()  #関数の呼出し
    

実行結果