2012年12月3日 · While trying to do an exercise on summing digits, I stumbled on this solution: import math. total = 0. for i in range(int(math.log10(n)) + 1): total += n % 10. n //= 10. return total. My question is, what does the second to last line do? How is that proper syntax? Disagree on that, I could see the = adding additional lack of clarity into the //=.

2013年4月8日 · is there any difference between n/=10 and n=n/10 in execution speed wise? just like n--and --n are differ in their execution speed wise also...

2020年8月18日 · n%10 ,是得到n除以10以后的余数（取余） n/=10 ,相当于n=n/10,是得到n除以10的商的整数部分（取整）

2023年9月17日 · C(n,r) = n! / ( r!(n - r)! We can use this combinations equation to calculate a more complex sandwich problem. Sandwich Combinations Problem with Multiple Choices

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2015年4月13日 · n /= 10 gives n containing all digits except the last. It's just a way of iterating over digits. is a shortcut to : In the same way that n+=1 is n = n+1.

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2017年4月4日 · sum of the digit { r=n%10; s=s+r; n=n/10; } pls explain this function. do {digit= n % 10; n = n / 10; M = M* 10 + digit;} while (n > 0); n%10. 1%10. 5%10. 2%10. Temp//=10. How to write temp//=10.

Metric Prefixes for SI Units . Prefix Symbol Meaning ; deci: d: 10-1: centi: c 10-2: milli: m 10-3: micro: µ or mc: 10-6: nano: n: 10-9: pico

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