PythonEasy | python quiz - What is the output of the following code ? def foo(): var += 3 return var var = 12 print(foo())

Q.

What is the output of the following code ?

def foo():
    var += 3
    return var
var = 12
print(foo())

A. 15

B. 3

C. 12

D. Error

The value global variable can not be changed without explicitly specifying with global keyword.
So the following code will print 15

def foo():
    global var
    var += 3
    return var
var = 12
print(foo())

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