# 1*1 = 1 # 1*2 = 2 2*2 = 4 # 1*3 = 3 2*3 = 6 3*3 = 9 i = 1 j = 1 for j in range(1,10): for i in range(1,j +1): print('%s*%s=%s '%(i,j,i*j),end='') # print(j,'*',i,'=',i*j,end = ' ') print('') 记录一下遇到的问题: 1. for i in j:#报错 TypeError: 'int' object is n