10 examples of 'factorial in python' in Python

13
def factorial():
14
    """
15
    This function reads a number and computes its factorial
16
    """
17
    print("Problem: Factorial")
18
19
    number = int(input())
20
    result = 1
21
22
    for n in range(2, number+1):
23
        result *= n
24
25
    print(result)

2
def factorial(n):
3
    fact = 1
4
    for i in range(1,n+1):
5
        fact *= i
6
    return fact

1
def factorial(n):
2
    res = 1
3
    for i in range(2, n + 1):
4
        res *= i
5
    return res

9
def factorial(n):
10
  if n is 0:
11
    return 1
12
  else:
13
    return n * factorial(n-1)

42
def factorial(n):
43
    """
44
    normal recursive two_sum
45
    :return: int
46
    """
47
    if n == 1 or n == 0:  # base case for n = 0, 1
48
        return 1
49
    else:  # recursive case when n > 1
50
        return n * factorial(n - 1)

2
def factorial(n):
3
    if(n==1):
4
        return 1
5
    else:
6
        return(factorial(n-1)*n)

11
def factorial(n):
12
		res = i = 1
13
		while i <= n:
14
			res *= i
15
			i += 1
16
		return res

11
def factorial(n):
12
    """Define the factorial for fractions and negative numbers."""
13
    return gamma(n + 1)

34
def inverse_factorial(number, round_up=True):
35
    '''
36
    Get the integer that the factorial of would be `number`.
37
    
38
    If `number` isn't a factorial of an integer, the result will be rounded. By
39
    default it'll be rounded up, but you can specify `round_up=False` to have
40
    it be rounded down.
41
    
42
    Examples:
43
    
44
        >>> inverse_factorial(100)
45
        5
46
        >>> inverse_factorial(100, round_up=False)
47
        4
48
        
49
    '''
50
    assert number >= 0
51
    if number == 0:
52
        return 0
53
    elif number < 1:
54
        return int(round_up) # Heh.
55
    elif number == 1:
56
        return 1
57
    else:
58
        current_number = 1
59
        for multiplier in itertools.count(2):
60
            current_number *= multiplier
61
            if current_number == number:
62
                return multiplier
63
            elif current_number > number:
64
                return multiplier if round_up else (multiplier - 1)

55
def factorial(n):
56
    return np.prod(np.arange(1, n+1))