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15 changes: 15 additions & 0 deletions factorial.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,15 @@
# change the value for a different result
num = 3


factorial = 1

# check if the number is negative, positive or zero
if num < 0:
print("Sorry, factorial does not exist for negative numbers")
elif num == 0:
print("The factorial of 0 is 1")
else:
for i in range(1,num + 1):
factorial = factorial*i
print("The factorial of",num,"is",factorial)