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Intro to computer science - Python

New videos and exercises are available!

Our latest release adds instructional videos, a program gallery, and the start of two new units on lists and dictionaries. We're actively working on this course to bring you even more videos, articles, and practice programs. Check back soon!
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Unit 1: Computational thinking with variables

The programming platform: Computational thinking with variablesProgram execution: Computational thinking with variablesVariables: Computational thinking with variables
Arithmetic expressions: Computational thinking with variablesTemplating webpages: Computational thinking with variablesReference docs: Computational thinking with variables

Unit 2: Designing algorithms with conditionals

Boolean conditions: Designing algorithms with conditionalsCompound boolean expressions: Designing algorithms with conditionalsChained conditionals: Designing algorithms with conditionals
Nested conditionals: Designing algorithms with conditionalsMaking recommendations: Designing algorithms with conditionalsReference docs: Designing algorithms with conditionals

Unit 3: Simulating phenomena with loops

Module imports: Simulating phenomena with loopsWhile loops: Simulating phenomena with loopsFor loops: Simulating phenomena with loops
Loop control flow: Simulating phenomena with loopsSimulating populations: Simulating phenomena with loopsReference docs: Simulating phenomena with loops

Unit 4: Playing games with functions

Function definitions: Playing games with functionsFunction control flow: Playing games with functionsCode organization: Playing games with functions
Edge cases: Playing games with functionsDesigning levels: Playing games with functionsReference docs: Playing games with functions

Unit 5: Automating tasks with lists

List indices: Automating tasks with listsList iteration: Automating tasks with listsString manipulation: Automating tasks with lists
List mutation: Automating tasks with listsReference docs: Automating tasks with lists

Unit 6: Analyzing data with dictionaries

Dictionaries: Analyzing data with dictionariesDictionary iteration: Analyzing data with dictionariesNested data structures: Analyzing data with dictionaries
Nested iteration: Analyzing data with dictionariesReference docs: Analyzing data with dictionaries
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