Why is this printing 'None' in the output? [duplicate]

Question

I have defined a function as follows:

def lyrics():     print "The very first line" print lyrics() 

However why does the output return None:

The very first line None 

Answer 1

Because there are two print statements. First is inside function and second is outside function. When a function doesn't return anything, it implicitly returns None.

Use return statement at end of function to return value.

e.g.:

Return None.

>>> def test1(): ...    print "In function." ...  >>> a = test1() In function. >>> print a None >>>  >>> print test1() In function. None >>> >>> test1() In function. >>>  

Use return statement

>>> def test(): ...   return "ACV" ...  >>> print test() ACV >>>  >>> a = test() >>> print a ACV >>>  

Answer 2

Because of double print function. I suggest you to use return instead of print inside the function definition.

def lyrics():     return "The very first line" print(lyrics()) 

OR

def lyrics():     print("The very first line") lyrics()