πŸ–₯️
Berkeley CS61A: Notes
  • 🌍Hello, World!
  • πŸ’­Learn to Think Like Your Computer
  • Building Blocks
    • ❗Expressions in Python
      • ℹ️Mathematical Statements
      • 🀫Variables
      • πŸ‘Data Types in Python
    • 🚧Introduction to Functions
      • πŸƒβ€β™€οΈHow Python Executes a Function Call
      • 🚱Functions that Don't Return Anything
    • 🌊Control Flow
      • ⁉️What is an if statement?
      • πŸ’ΎWhat is a Loop?
      • 🚨What are Logical Operators?
        • πŸ˜–Logical Operators, Seemingly Illogical Behavior
      • 🚰How Does Control Flow?
    • ⚑Higher-Order Functions
      • ⏸️What are Higher-Order Functions Used For?
      • πŸ‘†Self-Reference
    • πŸ‘ΎEnvironments and Scope
      • πŸ–ŠοΈHow to Make Environment Diagrams
  • STRUCTURES OF DATA
    • ➰Recursion
      • πŸ«€Anatomy of Recursion
      • β›½Recursive Leap of Faith
    • πŸŽ„Tree Recursion
      • ⬇️The Use It/Lose It Principle
    • πŸ“€Iterables
      • βœ‚οΈList Slicing
      • πŸ’€Deep Lists
      • πŸŒ‹Iterable Functions
      • πŸ’½List Comprehensions
    • πŸ™ˆAbstraction
    • Trees
    • Linked Lists
    • Iterators and Generators
    • Efficiency
  • Extra Topics
    • 🎭Errors and their Types
      • 🏹Error vs Exception
      • πŸ”™What is Backtracing?
    • 🚑How the Terminal and the File are Different
    • 🍬Decorators
  • Debugging Tools
    • πŸ–¨οΈDebugging with Print Statements
    • πŸ›Debugging with the Debugger
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  1. Building Blocks

Control Flow

To understand everything that 61A is trying to teach you, it's important to understand the fundamental idea that everything is based on β€” how are Python programs executed?

Let's start by talking about control flow. The flow of control is the order in which statements are executed by a programming language. For the purposes of this class, let's establish a core assumption: only one line of Python code can be executed at any given time.

With this assumption in mind, let us analyze the different ways in which we can mess around with the flow of control in Python.

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