Using a.__add__(b) is identical to writing a+b . When you concatenate strings using the + operator, Python will call ... ... <看更多>

This is an excerpt from the Python Data Science Handbook by Jake VanderPlas; Jupyter notebooks are available on GitHub. The text is released under the CC-BY-NC- ... ... <看更多>

Strings in Python are immutable, and so 'string a' + 'string b' has to make a ... One way to do this is to take the first item, and add a separator and an ... ... <看更多>