program-
#import numpy
import numpy as np
n=int(input("Enter any numbern"))
ans=np.product([i for i in range(1,n+1)])
print("Factorial of number is :",ans)
Enter any number
5
Factorial of number is : 120
Enter any number
4
Factorial of number is : 24
Enter any number
6
Factorial of number is : 720