Optimize your code

functions & checks

• Why write functions?
  • The benefits of functions
  • Reasons why functions improve code readability
  • Summary
• How to write a Python function
  • An example Python function
  • How to define functions in Python
  • Call custom Python functions
  • Call help on a custom function
• Write Multi-Parameter Functions
  • How to Define a Function with Multiple Parameters in Python
  • Write a Function with Multiple Parameters in Python
  • Call Custom Functions with Multiple Parameters in Python
  • Combine Unit Conversion and Calculation of Statistics into One Function
  • Define Optional Input Parameters for a Function
  • Combine Download and Read Input of Data Files into One Function
  • Practice Writing Multi-Parameter Functions for Pandas Dataframes
  • Practice Writing Multi-Parameter Functions for Numpy Arrays
• Write Flexible Functions to Handle Messy Data
  • Use Try/Except blocks
  • Fail fast strategy
  • Catching and Using Exceptions
  • Customizing error messages
  • Make Checks Pythonic
  • Any Check is a Good Check
• Common Python exceptions
  • TypeError

conditionals

• Conditional statements in Python
  • Why Use Conditional Statements
  • Structure of Conditional Statements
  • Compare Numeric Values Using Conditional Statements
  • Check For Values Using Conditional Statements
  • Check Object Type Using Conditional Statements
  • Check Paths Using Conditional Statements
• Conditional Statements With Alternative Conditions
  • Spacing and Execution of Code Lines
  • Conditional Statements With Combinations of Conditions