熟练掌握以下python标准库的使用，会起到事半功倍的作用
####• atexit allows you to register functions to call when your program exits.
####• argparse provides functions for parsing command line arguments.
####• bisect provides bisection algorithms for sorting lists (see Section .).
####• calendar provides a number of date-related functions.
####• codecs provides functions for encoding and decoding data.
####• collections provides a variety of useful data structures.
####• copy provides functions for y data.
####• csv provides functions for reading and writing CSV files.
####• datetime provides classes for handling dates and times.
####• fnmatch provides functions for matching Unix-style filename patterns.
####• glob provides functions for matching Unix-style path patterns.
####• io provides functions for handling I/O streams. In Python , it also contains Strin- gIO (which is in the module of the same name in Python ), which allows you to treat strings as files.
####• json provides functions for reading and writing data in JSON format.
####• logging provides access to Python’s own built-in logging functionality.
####• multiprocessing allows you to run multiple subprocesses from your application, while providing an API that makes them look like threads.
####•operator provides implementing the basic Python operators whichyou can use instead of having to write your own lambda expressions (see Section .).
####• os provides access to basic OS functions.
####• random provides functions for generating pseudo-random numbers.
####• re provides regular expression functionality.
####• selectprovidesaccesstotheselect()andpoll()functionsforcreatingeventloops.
####• shutil provides access to high-level file functions.
####• signal provides functions for handling POSIX signals.
####• tempfile provides functions for creating temporary files and directories.
####• threading provides access to high-level threading functionality.
####• urllib (and urllib and urlparse in Python .x) provides functions for handling and parsing URLs.
####• uuid allows you to generate UUIDs (Universally Unique Identifiers).
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