Computer Science
Write a Python function to calculate the factorial of a number (a non-negative integer). The function accepts the number whose factorial is to be calculated as the argument.
Python
Python Functions
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Answer
def factorial(n):
product = 1
for i in range(1, n + 1):
product *= i
return product
n = int(input("Enter a number: "))
fact = factorial(n)
print("The factorial of", n, "is", fact)Output
Enter a number: 5
The factorial of 5 is 120.
Enter a number: 0
The factorial of 0 is 1.
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