Python 常用自带 Libraries - 文件操作 1. 文件路径glob importglob path_li = glob.glob('data/*.wav')# 获得 data 文件夹下所有 '.wav' 文件的路径# Return: list 类型 2. 文件路径os 1 path 路径操作 os.path.abspath(path)返回文件的绝对路径 如果path带磁盘目录(如C:),则返回值不变 如果path带磁...
pip list Check dependencies pip check Verify package info pip show package_name System requirements validation RequirementVerification MethodExample Output Python Version python -V Python 3.9.7 Dependencies pip check No broken dependencies System Libraries ldd (Linux) / otool -L (macOS) / dumpbin /dep...
In the above screenshot, we can see the list of Python modules or libraries that are already available, and these come along with Python software. If we need some other libraries, then we need to install the libraries using the pip command, or we can directly download the modules or packa...
dict_list=[{'name':'Alice','age':30},{'name':'Bob','age':25},{'name':'Charlie','age':35}]total_age=sum(map(lambdad:d['age'],dict_list)) 使用第三方库(Third-party Libraries): 对于更复杂的数据处理任务,可以考虑使用第三方库,如Pandas和NumPy等。这些库提供了高效的数据结构和函数,可...
# Libraries import matplotlib.pyplot as plt # Make data: I have 3 groups and 7 subgroups # 设置数据 group_names=['groupA', 'groupB', 'groupC'] group_size=[12,11,30] subgroup_names=['A.1', 'A.2', 'A.3', 'B.1', 'B.2', 'C.1', 'C.2', 'C.3', 'C.4', 'C.5...
module_name = modname(globals()) # print globals() # print module_name get_module() 例子 下例是个简单的模块 support.py: support.py 模块: def print_func( par ): print "Hello : ", par return --import 语句--模块的引入 模块定义好后,我们可以使用 import 语句来引入模块,语法如下: ...
# import libraries from bs4 import BeautifulSoup import urllib.request import csv 下一步是定义您正在抓取的网址。如上一节所述,此网页在一个页面上显示所有结果,因此此处给出了地址栏中的完整url: # specify the url urlpage = 'http://www.fasttrack.co.uk/league-tables/tech-track-100/league-table/...
stdlib-list This package includes lists of all of the standard libraries for Python 2.6 through 3.13. IMPORTANT: If you're on Python 3.10 or newer, youprobably don't need this library. Seesys.stdlib_module_namesandsys.builtin_module_namesfor similar functionality. ...
Furthermore, the popularity of these libraries is such that everybody already knows about them. A candidate for this list might have been something like Dask, which seems poised to become an eventual successor to Numpy, but in the medium term it is likely to be mostly applicable to the ...
Libraries for file manipulation. mimetypes - (Python standard library) Map filenames to MIME types. pathlib - (Python standard library) An cross-platform, object-oriented path library. path.py - A module wrapper for os.path. python-magic - A Python interface to the libmagic file type identi...