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Lesson 30.5 Selection Sort duration 6 minutes 9 seconds Lesson 30.5 Selection Sort Lesson 30.5 Selection Sort	Lesson 30.5 Selection Sort In the previous video we saw that insertion sort is not an ideal sorting algorithm. In this video we try our hand at another algorithm: selection sort. This is another simple algorithm that may be… region loop algorithm hand selection swap elements swaps loops problem checks module element 7s beginning algorithms sort insertion min alright From Hannah Lee 36 plays
Lesson 30.4 Sorting Performance duration 11 minutes 41 seconds Lesson 30.4 Sorting Performance Lesson 30.4 Sorting Performance	Lesson 30.4 Sorting Performance Through the course, we have only cared about specifications, and not performance. But as we see in this video, sorting is an application where performance really matters. Little changes to the size… algorithm elements insertion swaps computer linear steps algorithms thing magnitude function factor performance log numbers swap loop element operations instep From Hannah Lee 41 plays
Lesson 15.7 Mutable List Functions duration 3 minutes 50 seconds Lesson 15.7 Mutable List Functions Lesson 15.7 Mutable List Functions	Lesson 15.7 Mutable List Functions Because lists are mutable, just like general objects, we can modify them in the body of a function. In this video we show how to write mutable list functions, which are (typically) procedures that… function position swap positions return lists folder parameters procedure functions frame call parameter objects practice elements module tuple tuples computation From Hannah Lee 72 plays
Lesson 12.6 Global Variables duration 6 minutes 15 seconds Lesson 12.6 Global Variables Lesson 12.6 Global Variables	Lesson 12.6 Global Variables With both modules and function definitions, we saw that global variables are incredibly important. But most of our code is inside of function definitions, and therefore executed inside of call… variables variable function call frame a. space definition things python b. swap heap choice access functions objects return parameters frames From Hannah Lee 73 plays