python
Learn python now !python
class PrintHello:
def printnow(self, message):
self.message = message
print(message)
printer = PrintHello()
printer.printnow("hey")
#completely uselesspython
n = int(input('Type a number, and its factorial will be printed: '))
if n < 0:
raise ValueError('You must enter a non negative integer')
fact = 1
for i in range(2, n + 1):
fact *= i
print(fact)Copyright © 2021 Codeinu
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