第六十一题

题目

打印杨辉三角

import numpy as np

a = np.zeros((10,10))
a[0,0] = 1
for i in range(1,10):
    a[i,0] = 1
    a[i,i] = 1
    if i >= 2:
        for j in range(1,i):
            a[i,j] = a[i-1,j] + a[i-1,j-1]
    
for m in range(0,10):
    for n in range(0,m+1):
        print('%i \t'%a[m,n],end='')
    print('\n')