if _name_ == '_main

if _name_ == '_main_':

来源：3-14 python的执行入口

Yuki9712032

2020-11-12 00:18:33

# 具体遇到的问题

# 报错信息的截图

# 相关课程内容截图

# 尝试过的解决思路和结果

# 粘贴全部相关代码，切记添加代码注释（请勿截图）

# coding:utf-8

import os


if _name_ == '_main_':
print(os.getcwd())
_name_报错
"H:\Program Files\python3.8.1\python.exe" E:/pythonProject/pythonlearn/learn.py
Traceback (most recent call last):
File "E:/pythonProject/pythonlearn/learn.py", line 6, in <module>
if _name_ == '_main_':
NameError: name '_name_' is not defined

Process finished with exit code 1
这是什么意思？name是要定义吗？