Write a program to calculate factorial of a number.
Answer:
num = int(input(
"Enter a number: "
))
fact =
1
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
):
fact = fact * i
print("factorial of ", num, " is ", fact)
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