5. Data and Variables

• 5.1. Values and Data Types
  • 5.1.1. More On Strings
  • 5.1.2. More On Numbers
  • 5.1.3. Type Systems
  • 5.1.4. Check Your Understanding
• 5.2. Type Conversion
  • 5.2.1. Check Your Understanding
• 5.3. Variables
  • 5.3.1. Assigning Values
  • 5.3.2. Evaluating Variables
  • 5.3.3. Reassigning Variables
  • 5.3.4. Check Your Understanding
• 5.4. More On Variables
  • 5.4.1. Naming Variables
    • 5.4.1.1. Valid Variable Names
    • 5.4.1.2. Good Variable Names
  • 5.4.2. Creating Constants
  • 5.4.3. Keywords
• 5.5. Expressions and Evaluation
• 5.6. Operations
  • 5.6.1. Operators and Operands
  • 5.6.2. Arithmetic Operators
  • 5.6.3. Order of Operations
  • 5.6.4. Check Your Understanding
• 5.7. Other Operators
  • 5.7.1. The String Operator +
  • 5.7.2. Compound Assignment Operators
• 5.8. Input with input()
  • 5.8.1. Requesting Data
  • 5.8.2. Critical Input Detail
  • 5.8.3. Check Your Understanding
• 5.9. Exercises: Data and Variables
  • 5.9.1. The Data
  • 5.9.2. The Exercises
  • 5.9.3. Submitting Your Work