1.while循环打印乘法口诀表
i = 1 while i <= 9: j = 1 while j <= i: #第i行最多有i个乘法口诀 print(f'{j}*{i}={i * j}', end='\t') #打印第i行的第j个乘法口诀 j += 1 print() #第i行打印完成后换行 i += 1
2.for循环打印乘法口诀表
for x in range(1, 10): for y in range(1, 10): if y <= x: print(f'{y}*{x}={x * y}', end='\t') print()
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