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RSS订阅原创 2020-11-20
Python 编程快速上手filling the gaps 编写一个程序，在一个文件夹中，找到所有带指定前缀的文件，诸如spam001.txt, spam002.txt等，并定位缺失的编号（例如存在spam001.txt和spam003.txt，但不存在spam002.txt）。让该程序对所有后面的文件改名，消除缺失的编号。》(摘自由 斯维加特(Al Sweigart), 王海鹏 撰写的《Python编程快速上手——让繁琐工作自动化（异步图书）》 def copy_file(folder): whi
2020-11-20 12:17:08
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原创 2020-11-10
Python 编程快速上手 疯狂填词 import re file = open(‘panda.txt’, ‘w’ ) file.write(‘The ADJECTIVE panda walked to the NOUN and then VERB. A nearby NOUN was affected by these events.’) file.close() file = open(‘panda.txt’) txt = file.read() file.close() txt_regex = re.
2020-11-10 15:52:04
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原创 open() function
The open() function takes two parameters; filename, and mode. There are four different methods (modes) for opening a file: 读"r" - Read - Default value. Opens a file for reading, error if the file does not exist 追加"a" - Append - Opens a file for appending,
2020-11-03 22:03:18
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原创 使用re.VERBOSE的一点注意事项
When converting your regex to re.VERBOSE mode make sure that: whitespace is escaped or replaced with some equivalent: \s or [ ] or '\ '(I had to put ‘’ here due to SO formatting). All plain whitespace is ignored with re.VERBOSE. hashes # are escaped or re
2020-10-24 20:01:34
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