Program to find factorial of any given number

[nagmafariyal2017]

num=int(input(‘enter the number’))
res=1
if num == 0:
print(‘factorial of zero is =1’)
elif num<1:
print(‘factorial of negative number does not exist’)
else:
for i in range(1,num+1):
res*=i
print(‘the factorial of ‘,num,’=’,res)

[dsedyoda]

Keep it up.well done.