Python Learning Reference

A compact personal repository focused on the Python Institute PCEP exam — clean examples, explanations, and runnable exercises.

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Structure

fundamentals/

• core syntax: variables, literals, operators, control flow
• conditions, loops, short-circuit evaluation

collections/

• lists, tuples, dicts, sets, strings
• sequence behavior and negative indexing

functions/

• functions, scope, parameters, and reusable patterns

numbers/

• numeric literals, bitwise, modulus, exponentiation, octal/hexa

exceptions/

• defensive error handling patterns and rules

decorators/

• basics and how @ works
• best practices and functools.wraps
• decorators with arguments and real examples

builtins/

• essential built-ins like len, lambda, comprehensions
• protocols (__len__, iteration) and common pitfalls

assignments/

• multiple assignment patterns and unpacking

exercises/

• progressive practice problems

docs/

• concepts and quick-reference documents

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Use

All files are self-contained and runnable. Open, read, run.

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