Program to print Pascal's Triangle

#program to print pascal's triangle

import math

n_2=int(input("Enter the number of rows: "))

for i in range(n_2):

    for j in range(n_2 - i):

        print(" ", end="")

    for j in range(i + 1):

        print(math.factorial(i) // (math.factorial(j) * math.factorial(i - j)), end=" ")