Factorial number python [Closed]

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Factorial number python [Closed]

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jersde

Posts: 1
Registration date: Friday August 2, 2019
Status: Member
Last seen: August 2, 2019

- Aug 2, 2019 at 07:31 PM
Lameidiot5 - Jan 3, 2020 at 10:27 AM

Hello,

hi don't understand why this code doesn't give me the factorial number.

somma = 0
i = 1
num = getInteger("Inserisci un numero e ti dirò il fattoriale: ")

if num == 1:
print("Il fattoriale è 1 ")
else:
while i < num:
somma = i * num
print("Il risultato è: ", somma)

Factorial number python
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kurhanskakr · Answer 1 · 2020-01-03T05:25:22-0500

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kurhanskakr

Posts: 4
Registration date: Monday December 23, 2019
Status: Member
Last seen: January 14, 2020

Jan 3, 2020 at 05:25 AM

Why do you not reduce 'num' in the "while" cycle?

Lameidiot5 · Answer 2 · 2020-01-03T10:27:12-0500

Just declare somma do not initialize it as zero. "I" is always one. You have a while statement that checks against a static variable. Get rid of the while and calculate it directly as previously stated. If "I" was an array, such as 1,3,5,7,9, then a while would be applicable, but it is not an array, it is static.

Factorial number python [Closed]

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