Programming Bootcamp for Scientists #25

00:00 The Functions chapter

00:40 Why use functions?

04:33 Defining simple function

08:28 Functions - pass parameters by position.

10:11 Functions - pass parameters by name.

11:43 Mixing positional and named parameters.

15:20 Default values, optional parameters

19:18 Several defaults, using names

21:04 Arbitrary number of arguments *

26:45 Fixed parameters come before the others.

28:00 Arbitrary key-value pairs in parameters **

30:50 Extra key-value pairs in parameters

31:10 Every parameter option

32:11 Duplicate declaration of functions

38:03 Recursive functions (recursive factorial)

46:00 Recursive Fibonacci function

49:30 Non-recursive Fibonacci

51:50 Unbound recursion

53:18 Variable assignment and change - immutable, mutable

55:35 Parameter passing of functions

1:00:20 Function documentation

1:01:17 Copy-paste code

1:07:00 Exercises

1:07:24 Returning multiple values from a function

1:13:00 Exercise: Merge and Bubble sort

1:15:23 Exercise: Refactor earlier solutions to use functions.