ITP 115 Lecture Notes - Lecture 8: Delimiter

• School: USC
• Department: Information Technology Program
• Course: ITP 115
• Professor: Gregory Trina

Document Summary

Often, we want to create an empty list before a loop, at the start of our program, etc. syntax: numbers = list() Lists are mutable: assign a new list element by index, assign a new list slice. Replace multiple items with 1 item: delete a list element. Doesn"t create a gap in a sequence. All the elements slide down 1 position: delete a list slice. Adds value to end of list somelist. sort() Returns # of occurrences of value somelist. index(value) Returns the 1st position number of where the value occurs somelist. insert(i, value) Returns value at position i and removes value from list. Providing position number i is optional without it, the last element in the list is removed and returned somelist. remove(value) Removes 1st occurrence of value from the list: del somelist[i] Removes the element at the specified index somelist. sort(: sorts elements, smallest 1st. Del somelist[index: removes element from list at index, example numbers = [3, 5, -12, 40, 5] del numbers[2]