The -m tells Python to load it as a module, not as the top-level script.Or perhaps you don't actually want to run moduleX, you just want to run some other script, say myfile.py, that uses functions inside moduleX. If that is the case, put myfile.py somewhere else – not ...
# file: math_functions.py def square(x): return x * x def cube(x): return x * x * x 此文件是一个模块,名为 math_functions.py,它包含了两个函数:square 和cube。如果我们想在另一个文件中使用这两个函数,我们可以使用 import 语句导入它: # file: main.py import math_functions print(math...
E:\PythonProjects\跟着MS学Python>python -u "e:\PythonProjects\跟着MS学Python\#12\1.py" 555 # 全局变量能正确访问 Traceback (most recent call last): # 局部变量不能够访问 File "e:\PythonProjects\跟着MS学Python\#12\1.py", line 12, in <module> print(jv_bu_bian_liang) NameError: name...
sys模块官方解释:This module provides access to some variables used or maintained by the interpreter and to functions that interact strongly with the interpreter. 这个模块可供访问由解释器使用或维护的变量和与解释器进行交互的函数。 sys.argv 命令行参数List,第一个元素是程序本身路径 sys.exit(n) 退出程序...
随着互联网的快速发展,Web服务器已经成为了我们生活中不可或缺的一部分。在本文中,我们将使用Python编写一个简单的Web服务器,它能够接收HTTP请求并返回响应,同时也支持静态文件的访问。 一、基本概念 在开始之前,我们需要先了解一些基本的概念。 HTTP协议:HTTP是一种用于传输超文本的协议。它是在Web服务器和Web客户...
Fix the bug in branch B. Commit and (optionally) push to remote. Check out branch A Rungit stash popto get your stashed changes back. Git stash stores the changes you made to the working directory locally (inside your project's .git directory;/.git/refs/stash, to be precise) and all...
使用Python扩展时链接其他库（如boost）是的，这个问题是链接方面的错误，错误信息显示了这一点：
All the usual tools for reusability are available. Now, you’ll create a module where you store your decorators and that you can use in many other functions.Create a file called decorators.py with the following content:Python decorators.py def do_twice(func): def wrapper_do_twice(): ...
old_func = self.view_functions.get(endpoint) if old_func is not None and old_func != view_func: raise AssertionError('View function mapping is overwriting an ' 'existing endpoint function: %s' % endpoint) self.view_functions[endpoint] = view_func ...
Built-in Functions String Methods List/Array Methods Dictionary Methods Tuple Methods Set Methods File Methods Python Keywords Python Glossary Random Module Requests Module Math Module CMath Module Download Python Download Python from the official Python web site:https://python.org ...