for x in range(1,10): for y in range(1,x+1): z=x*y print("%d*%d=%-4d"%(y,x,z),end='') print()
乘法口诀练习(python-for循环)
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for x in range(1,10): for y in range(1,x+1): z=x*y print("%d*%d=%-4d"%(y,x,z),end='') print()