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Showing 17 – 24 of 27 articles
Practical guide to python string slicing: syntax (start:stop:step), defaults, examples for steps and negative indices, reversing, out-of-range behavior, and common patterns.
Beginner-friendly guide to python classes and objects explaining class definition, __init__ constructor, self, methods, and variables with example code.
Clear guide to using python print(): syntax, parameters (sep, end, file, flush), examples for console and file output, and formatting tips.
Beginner-friendly guide to boolean logic in Python: comparison and logical operators, truth tables, examples, and flow control best practices.
Practical guide to using pandas read_excel to import Excel into pandas DataFrame with examples for sheet selection, usecols, headers, skiprows/nrows, parse_dates, openpyxl engine, and exporting.
Practical guide to unicode in python: code points, python utf-8 encoding/decoding, unicodedata normalization (NFC/NFD/NFKC/NFKD), and handling UnicodeEncodeError and UnicodeDecodeError.
Explains python class vs instance variables with examples, pitfalls (mutable class variables, shadowing), and best practices.
A concise guide to python list length: use len(), alternatives, nested lists, edge cases, performance (O(1) vs O(n)), best practices, and FAQs.
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