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This site isn't for homework problems but:

def factorial(x):
v = 1
for i in range(1, x):
q *= i
print(v)

>>> def factorial(x):
... q=1
... for i in range(1,x):
... q*=i
... print(q)
...
>>>
>>>
>>> factorial(5)
1
2
6
24

def factorial(x):
v = 1
print v
for i in range(1, (x-1)):
v *= i
print(v)

factorial(10)

def fact(v):
    i = 1
    for f in range(1, v+1):
        i = i * f
    return i

print fact(4)

def fact(a):
    i = 1
    for f in range(1, a+1):
        i *= f
    return i

print fact(4)

def fact(a):
    i = 1
    for f in range(1, a+1):
        i *= f
    return i

print fact(4)

test

def fac(n):
if(n==0):
return 1
return n*fac(n-1)

fact=fac(5)
print fact

def factorial(n):
if n == 1:
return n

return n*factorial(n-1)

if __name__ == '__main__':
print ("Factorial: %s" % factorial(5))

def fact(n):
	if n == 1:
		return 1
	else:
		return n*fact(n-1)
print fact(5)

def factorial(n):
    product = 1
    for i in range(2, n + 1):
        product *= i
    return product

print factorial(3)

something like this would be fine:

def factorial(n):
    num = 1
    while n >= 1:
        num = num * n
        n = n - 1
    return num

it should be iterative

def factorial(n):
sum = 0
for i in range(2,n+1):
if n == 0:
return 0
elif n==1:
return 1
else:
return sum = sum*i
return sum
if __name__ == '_main_':
print factorial(6)

def fact (n):
    res = 1
    for i in range(n,1,-1):       
             res = res*i
    print (res)

fact(5)

def fact(n):
  
    if n==0: return 1
    
    result = 1
    for i in range(1, n+1):
        result = result*i
    return result

def iterative_factorial(n):
    factor = 1
    for i in range(1, n+1):
         factor = factor * i
    return factor

def factorial(n):
	if n == 1:
		return n

	return n*factorial(n-1)

if __name__ == '__main__':
	print ("Factorial: %s" % factorial(5))