{"id":21527,"date":"2019-10-11T11:50:31","date_gmt":"2019-10-11T15:50:31","guid":{"rendered":"https:\/\/ibkrcampus.com\/?p=21527"},"modified":"2024-05-21T16:22:23","modified_gmt":"2024-05-21T20:22:23","slug":"install-python-packages-part-i","status":"publish","type":"post","link":"https:\/\/www.interactivebrokers.com\/campus\/ibkr-quant-news\/install-python-packages-part-i\/","title":{"rendered":"How To Install Python Packages &#8211; Part I"},"content":{"rendered":"\n<p><em><strong>Excerpt<\/strong><\/em><\/p>\n\n\n\n<p> The beauty of Python is that we have a collection of modules and packages which have been created for a certain purpose and the fact that it is open-source makes it incredibly easy for one individual to build on top of another person\u2019s work and create something useful. Thus, you can get a simple code for performing simple arithmetic operations or a group of code, called <strong>modules <\/strong>and <strong>packages<\/strong>, which can help perform data analysis, all on the internet. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"what\">What are Modules and Packages?<\/h2>\n\n\n\n<p>Consider writing code directly on the Python or IPython console. The definitions that we create(functions and variables) will be lost if we quit the console and enter it again. Therefore, in order to write a longer program, we might consider switching to a text editor to prepare an input for the interpreter and running it with that file as an input instead. This is known as writing a script.<\/p>\n\n\n\n<p>As a program gets longer, we may want it to split it into several small files for easier maintenance. Also, we may want to use a handy function that we have written in several programs without copying its definition into each program. To support this, Python has a way to put a code definition in a file and use them in another script or directly in an interactive instance of the interpreter. Such a file is called a module; definitions from a module can be imported into other modules or in the program that we code.<\/p>\n\n\n\n<p>Packages can be considered as a collection of modules. It is a way of structuring Python\u2019s module namespace by using &#8220;dotted module names&#8221;. For example, the module name matplotlib.pyplot designates a submodule named pyplot in a package named matplotlib.<\/p>\n\n\n\n<p>Packaging modules in such a way saves the author of different modules from having to worry about each other\u2019s global variable names and the use of dotted module names saves the author of multi-module packages from having to worry about each other\u2019s module names. <\/p>\n\n\n\n<p><em>Stay tuned for the next installment in this series. The authors will discuss Importing Python packages.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The beauty of Python is that we have a collection of modules and packages which have been created for a certain purpose and the fact that it is open-source makes it incredibly easy for one individual to build on top of another person\u2019s work and create something useful. <\/p>\n","protected":false},"author":186,"featured_media":11822,"comment_status":"closed","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"_acf_changed":true,"footnotes":""},"categories":[343,349,338],"tags":[851,852,1225,1224,595],"contributors-categories":[13654],"class_list":{"0":"post-21527","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-programing-languages","8":"category-python-development","9":"category-ibkr-quant-news","10":"tag-algo-trading","11":"tag-machine-learning","12":"tag-numpy","13":"tag-pandas","14":"tag-python","15":"contributors-categories-quantinsti"},"pp_statuses_selecting_workflow":false,"pp_workflow_action":"current","pp_status_selection":"publish","acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.9 (Yoast SEO v27.5) - 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