「四舍五入」是小学就学过的数学知识，也是日常计算中经常会用到的处理方法。 然而让人没想到的是，一个简单的四舍五入操作，在Python里居然这么难搞，网上还一堆错误的教程。 来看这个例子，有一个变量a为1.135，现在希望把它保留2位小数，要怎么做？

CBS Sports and TNT Sports’ exclusive coverage of the 2026 NCAA Division I Men’s Basketball Championship will tip off with the NCAA First Four on truTV, Tuesday, March 17, and Wednesday, March 18 (6 PM ...

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The rosters are finalized, and the uniforms are out for the 2026 NBA All-Star Game, which will feature a new format with three teams in a round-robin tournament: Two teams will consist of players from ...

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The NFL previously applied the term “super” to the wild-card round of the playoffs. This year, the ratings were. Via Sports Business Journal, the six games televised by Fox (which had two), CBS, Prime ...