还是报 module not found 错误，装是装上了，又没完全装上，何哉？（以 requests 这个库为例子） 原因是，没有处理认识好 python 多版本共存问题，cmd 里装 requests 的 python 环境不是你 pycharm 里面运行的那个 python 环境。 在 cmd 输入 pip install requests 前，不妨先输入一个 ...

NumPy (Numerical Python) is an open-source library for the Python programming language. It is used for scientific computing and working with arrays. Apart from its multidimensional array object, it ...

Python is an extremely powerful and flexible programming language that is particularly popular among newcomers to coding thanks to its relatively gentle learning curve. That said, the flexibility of ...