至上而下,逐行执行
#!usr/bin/env python
# -*- coding:utf-8 _*-
"""
# author: 小菠萝测试笔记
# blog: https://www.cnblogs.com/poloyy/
# time: 2021/7/18 3:09 下午
# file: 3_字符串.py
"""
print("hello world")
print('hello world')
print("""hello world""")
# 单双引号
print("hello 'poloyy' world")
print('this is my name "poloyy"')
Python 会从上往下一行一行执行
if __name__ == '__main__':
print("执行入口的代码")