*Dễ : tính n! - Python - Không lặp, chú ý! - Cho range, nhưng ko for - `1<n<=10` - 4 cách - All nn

Cách 1: math.factorial

from math import factorial
print(factorial(int(input())))

# Author : Daoanhviet96
# Language : Python3

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Cách 2: range kết hợp với math.prod

from math import prod
print(prod(range(1, int(input())+1)))

# Author : Daoanhviet96
# Language : Python3

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Cách 3: Đệ quy

def factorial(x):
    if x == 0: return 1
    return x * factorial(x-1)
print(factorial(int(input())))

# Author : Daoanhviet96
# Language : Python3

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Cách 4: numpy.math.factorial

import numpy
print(numpy.math.factorial(int(input())))

# Author : Daoanhviet96
# Language : Python3

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