Computer Science

What will be the output of following program ?

num = 1
def myfunc():
    return num
print(num)
print(myfunc())
print(num)

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The code initializes a global variable num with 1. myfunc just returns this global variable. Hence, all the three print statements print 1.

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def addEm(x, y, z):
    return x + y + z
    print(x + y + z)

num = 1
def myfunc():
    num = 10
    return num
print(num)
print(myfunc())
print(num)

num = 1
def myfunc():
    global num
    num = 10
    return num
print(num)
print(myfunc())
print(num)