Learn about reading and writing data files based on an interaction with the user. Along the way, dive into standard streams, environment variables, command line arguments, Python subprocesses, and processing log files.

0:00 Introduction to Managing Data and Processes
1:43 Reading Data Interactively
4:52 Standard Streams
9:15 Environment Variables
13:37 Command-Line Arguments and Exit Status
19:31 Running System Commands in Python
24:20 Obtaining the Output of a System Command
29:43 Advanced Subprocess Management
34:51 What are Log Files?
36:31 Filtering Log Files with Regular Expressions
41:23 Making Sense Out of the Data

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