Python Chapter 5 - Introduction to the use of common functions

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Python tutorial directory https://blog.csdn.net/weixin_50964512/article/details/130300085

Preface

The previous chapter introduced the usage of functions in python in great detail, but considering that if you just learn it but don’t use it, you may forget it quickly, so this chapter continues to explain functions.

It mainly introduces many very useful functions that have been written in Python!

1. print

This function should be the one we use most, and we have been using it almost since the first chapter.

The reason is also very simple. It is very practical and can print the contents of the variables we want to observe to