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The math Module in Python: 6 Common Calculations You Can Make

One useful feature of the Python math module is quick access to mathematical constants. You can make Python more effective as ...
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8 Practical Uses for the Python os Module

os.path.join (folder, filename) ensures the path is correct for the system. On Windows, it uses backslashes (reports\summary.txt); on Linux and macOS it uses forward slashes (reports/summary.txt).