Lecture 1 - Outline

Learning Objectives

• Running a python file and printing
• Variables
• Functions
• Types
• Integer Divison and Modulus
• Basic if-else statements

Lecture Plan

• Who am I and why are you here?

• Logistics

  • Syllabus -- there will be a quiz!
  • Website
  • Autolab
  • Piazza
  • Office Hours
  • Recitation
  • Small Group Sessions
  • Large Group Sessions
    • First one is on Wednesday 12 - 2 pm
    • Fourth of July OH

• Running a python file using Pyzo

  • Print function (console output)
  • Comments

• Types

  • int, float, str, bool
  • Type vs. isinstance
  • math module

• Built-in operators

• Integer Division

• Modulus

  • Don't worry about mod with negatives

• Break -- attendance check

• Functions + Function Vocabulary

  • Built-in functions

• Print versus Return

  • No return -> returns None

• almostEqual and Floats

• Global + Local Variable Scope

• Basic Conditionals

  • If statement
  • If-else statement

Moved Topics

• Errors
• Type affects semantics
• Short circuit evaluation
• Default Arguments
• Input
• Negative Mod
• Helper Functions
• Function Composition

HW1

Tests: types, functions, if-else conditionals, logical operators, div-mod, floats + almostEquals

• distance
• isEquilateralTriangle
• getKthDigit
• isPerfectSquare

Up Next

• more conditionals
• helper functions
• loops