The last line of the output is none can someone explain why pls

def just_lyrics():print ("i am a bad coder")print (" i keep trying to learn everday")def double_lyrics():just_lyrics()just_lyrics()just_lyrics()
print(double_lyrics())

output

i am a bad coderi keep trying to learn everday
i am a bad coderi keep trying to learn everday
i am a bad coderi keep trying to learn everday
None

This line:

print(double_lyrics())

Prints None because the function returns nothing