decorator is printing none at the end?

Question

#please tell me why none is getting printed at the end of the program?

def decor(func):
def wrap():
print("first line")
func()
print("second line")
return wrap

def print_text():
print("Hello world!")

decorated = decor(print_text)
print (decorated())

Answer 1

Maybe make this the last line:

decorated()

You are already printing everything in the functions. The last line doesn't need a print statement.

Answer 2

You are not returning anything from the function print_text, that is the reason behind None.

Solution should be you can return from the print_text function or remove the print from this line print (decorated()).