前期迭代懒得优化，来一个需求，加一个if，久而久之，就串成了一座金字塔。 当代码已经复杂到难以维护的程度之后，只能狠下心重构优化。那，有什么方案可以优雅的优化掉这些多余的if/else? 有这么一种场景，根据不同的参数走不同的逻辑，其实这种场景很 ...

In this Python for beginners tutorial, you will learn the essentials for data analysis. The tutorial covers how to install ...

Why is your Python app so slow? Find out by using Python’s built-in profiler to locate bottlenecks in your Python code Python may not be the fastest language around, but it is often fast enough. And ...