Global and local Variable in python-17

 

a=8
def function1():
     #a=6

     #function ar vetora thaka bairer global man change kora jai na
     #forcefully change korte hole nicher moto kore global ullekh kore korte hoi
     global a
     a = 7
     #jodi vator a A er man na thakto tahole bairer ta neto ,a=6 comment kore dakho
     #function ar vetor a print marle vetorer a ar man ta ashe
     print(a)

function1()

#function ar vetore print marle global a ar man ta ashe
print(a)


#next example

#############################


def harry():
    x=20
    def rohan():
        global x;
        x=9
    print("before calling rohan",x)
    rohan()
    print("after calling rohan", x)
harry()

#2 khatre e 20 print korbe karon aikhane global veriable e nai change kmne korbe.
# harry ar x ar man obossoi global noy ota or localman