from math import factorial

input = int(input("输入行数..."))
for i in range(input):
    for j in range(input-i+1):
        print(end=" ")
    for j in range(i+1):
        print(factorial(i)//(factorial(j)*factorial(i-j)), end=" ")
    print()

输入行数...6
      1
     1 1
    1 2 1
   1 3 3 1
  1 4 6 4 1
1 5 10 10 5 1