Python Fundamentals

BeginnerFoundations

Syntax, variables, dynamic and strong typing, I/O, operators, and the mental model of how a Python program runs.

21 lessons 5 labs 2 projects ~10h

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Lessons in this build

Variables & References

In Python a variable is a name bound to an object, not a box that holds a value. Grasping this makes mutability, aliasing and `is` vs `==` obvious.

Why it matters

Interview importance 4/5 · production importance 3/5.

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Variables & References