machinelearning_notebook/homework_01_python/01_04.py

#1.4 循环：输出9x9的乘法口诀表

for i in range(1,10):
    for j in range(1, i+1):
        print('{:1d}x{:1d} = {:<2d}'.format(i,j,i*j), end="  ")		#5位宽度，小数点后取3位
    print('')