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File Input and Output in Python Introduction In this lesson, you'll learn about interacting with files in Python. First you'll start by reviewing the core concepts of opening, closing, reading, and ...
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 ...