Python Foundations
A first sequence for students building confidence with Python syntax, input parsing, strings, lists, loops, and functions.
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Open ladderProblem ladders
Practice paths for Python, PCEP, and online coding
Follow ordered paths of published problems that build Python confidence, certification readiness, and problem-solving habits.
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Core Coding Practice
A core coding practice path focused on simulation, sorting, counting, prefix sums, maps, sets, and basic decision-making strategies.
Next: Attendance Streak
Open ladderAdvanced Coding Practice
An advanced coding practice path for students moving into search patterns, graph traversal, flood-fill thinking, advanced prefix sums, greedy strategies, and introductory dynamic programming.
Next: Sorted Scores Query
Open ladderPCEP Review
A review ladder aligned to PCEP-style fundamentals: types, operators, control flow, functions, exceptions, and modules.
Next: Hours to Minutes
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