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On Wed, Feb 12, 2014 at 12:06 PM, Scott W Dunning <swdunning at cox.net> wrote: > I just have a simple question. I don?t understand why 1%10 = 1? The real question is: What do you expect that symbol to mean? Its actual meaning is quite simple. In long division, dividing one number by another looks like this: 86528 ____________ 31415 ) 2718281828 251320 ------ 205081 188490 ------ 165918 157075 ------ 88432 62830 ----- 256028 251320 ------ 4708 (Monospaced font required here.) 2718281828 is the dividend; 31415 is the divisor. They're the numbers we started with. At the top, we get the quotient, 86528, and down the bottom, the remainder, 4708. Now let's ask Python about those numbers: >>> 2718281828 // 31415 86528 >>> 2718281828 % 31415 4708 That's all it is. The // operator, when given two integers, will give back an integer which is the quotient. The % operator (usually called "modulo"), given the same two integers, gives you back the remainder. With the dividend smaller than the divisor, your quotient is zero and your remainder is the whole rest of the number; so 1 % 10 is 1. In fact, 1 % anything greater than 1 will be 1. Does that help? ChrisA

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