<filename>c__24.py
def square(num):
    '''Return the square value of the input number. The input number must be integer.'''
    return num ** 2

print(square(2))
print(square.__doc__)

<filename>c__24.py
def square(num):
    '''Return the square value of the input number. The input number must be integer.'''
    return num ** 2

print(square(2))
print(square.__doc__)

Return the square value of the input number. The input number must be integer.