When run it produces: $ python csv1.py A : 1 B : 2 C D : 3 4 A : 5 B : 6 C D : 7 In addition, the csv module provides writer objects for writing CSV files. The following Python program converts our ...

Synchronous file handling makes for simpler code, but asynchronous file handling offers more opportunity for platform-level optimization because it doesn’t block execution.

Set up a professional file system for your Python project. Learn how to organize folders and files for seamless coding.