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🐍 Python Foundations

From your first print to functions — run every exercise in your browser.

1
Lesson 1 — Hello, Python
basics · 5 min
→2
Lesson 2 — Variables
basics · 6 min
→3
Lesson 3 — if / else
easy · 8 min
→4
Lesson 4 — Loops
medium · 8 min
→5
Lesson 5 — Lists
medium · 9 min
→6
Lesson 6 — Functions
medium · 10 min
→7
Lesson 7 — Dictionaries
medium · 9 min
→8
Lesson 8 — Putting it together
hard · 12 min
→9
Lesson 9 — String toolkit
medium · 8 min
→10
Lesson 10 — f-strings
basics · 6 min
→11
Lesson 11 — List comprehensions
hard · 10 min
→12
Lesson 12 — Dictionary methods
medium · 8 min
→13
Lesson 13 — Tuples & unpacking
medium · 7 min
→14
Lesson 14 — Sets
medium · 8 min
→15
Lesson 15 — Errors: try / except
hard · 10 min
→16
Lesson 16 — Recursion
hard · 11 min
→17
Lesson 17 — enumerate & zip
medium · 8 min
→18
Lesson 18 — Mini project: word counter
hard · 12 min
→