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Exercise: In a factory a printer prints labels for boxes. For one kind of boxes the printer has to use colors which, for the sake of simplicity, are n 阅读全文
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exercise: Solution: def paperwork(n, m): return m*n if m>=0 and n>=0 else 0 def paperwork(n, m): return max(m,0) * max(n,0) 阅读全文
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Exercise: 奇偶判定：给两个整数判断是否是一奇数一偶数 solution： def lovefunc( flower1, flower2 ): return sum([flower1,flower2]) % 2 >0 :sum()函数 ：% 求余数 阅读全文