In the above example, we have used nested loops to print a number pyramid pattern. The outer loop is used to handle the number of rows in the pattern, and the inner loop or the nested loop is used to handle the number of columns in the pattern. Note that we have also used the thir...
1 >>> help Commands available in XPython ---
Pyramid: Scalable framework for projects of any size aiohttp: Asynchronous HTTP client and server library Tornado: Non blocking web server framework Python’s networking and database modules provide powerful tools for building modern web applications and services. From API development to database integra...
AI代码解释 >>>from mirrorimportLookingGlass>>>withLookingGlass()aswhat:# ①...print('Alice, Kitty and Snowdrop')# ②...print(what)...pordwonS dna yttiK,ecilAYKCOWREBBAJ>>>what # ③'JABBERWOCKY'>>>print('Back to normal.')# ④ Back to normal. ① 上下文管理器是LookingGlass的一个...
>>> what# ③'JABBERWOCKY'>>>print('Back to normal.')# ④Back to normal. ① 上下文管理器是LookingGlass的一个实例;Python 在上下文管理器上调用__enter__,结果绑定到what。 ② 打印一个str,然后打印目标变量what的值。每个print的输出都会被反转。
打印一个str,然后打印目标变量what的值。每个print的输出都会被反转。 ③ 现在with块已经结束。我们可以看到__enter__返回的值,保存在what中,是字符串'JABBERWOCKY'。 ④ 程序输出不再被反转。 示例18-3 展示了LookingGlass的实现。 示例18-3. mirror.py:LookingGlass上下文管理器类的代码 ...
Python Programs to Reverse an Integer Number Filed Under: Programs and Examples, Python, Python Basics Python Program to Find Smallest and Largest Number Filed Under: Programs and Examples, Python, Python Basics Python Program to Check if a Number is Positive, Negative, or 0 Filed Under: ...
optional arguments:--version show program's version number and exit-v,--verbose Increase verbosityofoutput.Can be repeated.-q,--quiet Suppress output except warnings and errors.--log-fileLOG_FILESpecify a file to log output.Disabled bydefault.-h,--help Showthishelp message and exit.--debug...
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youtube-dl - A command-line program to download videos from YouTube and other video sites. Editor Plugins and IDEs Emacs elpy - Emacs Python Development Environment. Vim jedi-vim - Vim bindings for the Jedi auto-completion library for Python. python-mode - An all in one plugin for turnin...