Question

How to use global and local variable with function in Python

Answer 1

n = 12
 
def f():
    print(n)
    x = 30
    print(x)



f()

print(n)
# print(x) # Error: name 'x' is not defined
   
   
'''
run:
   
12
30
12
   
'''

 

70+ SQL courses for beginners and professionals

Answer 2

n = 12
 
def f():
    x = 30
    print(x)
    n = 1000
    print(n)



f()

print(n)
# print(x) # Error: name 'x' is not defined
   
   
'''
run:
   
30
1000
12
   

 

70+ SQL courses for beginners and professionals

Answer 3

n = 12
 
def f():
    x = 30
    print(x)
    global n
    n = 1000
    print(n)



f()

print(n)
# print(x) # Error: name 'x' is not defined
   
   
'''
run:
   
30
1000
1000
   
'''

 

70+ SQL courses for beginners and professionals