Python Review Practice Study Test.

Python Review Practice Study Test. how do we add a list to a list? - CORRECT ANSWER list[2] = [1, 2, 3] how do we ad elements of a list to a list? - CORRECT ANSWER list[2:2] = [1,2,3] how do we delete elements from a list? - CORRECT ANSWER del list[1] what's another way of deleting elements from a list, besides del? - CORRECT ANSWER list[1] = [] what does 3 * [0] return? - CORRECT ANSWER [0,0,0] if you really want to copy a list, what can you do? - CORRECT ANSWER list2 = list1[:] difference between append and extend? - CORRECT ANSWER append adds whole argument as single element, while extend adds each item of argument as element how to insert exactly one element? - CORRECT ANSWER t(position, element) what does remove do to a list? - CORRECT ANSWER removes first element in list with given value what does () do? - CORRECT ANSWER what does () do? - CORRECT ANSWER what does () do? - CORRECT ANSWER what does (key) return if the key exists? - CORRECT ANSWER the value of the key what does (key) return if the key does not exist? - CORRECT ANSWER None what kind of objects do dictionary methods return? - CORRECT ANSWER view what are the three dictionary methods? - CORRECT ANSWER keys(), values(), items() what is the advantage of returning dictionary methods as view objects rather than as lists? - CORRECT ANSWER thye are dynamic and reflect changes to the dictionary define list - CORRECT ANSWER collection of different objects indexed by numbers what is the big difference between strings and lists? - CORRECT ANSWER strings are immutable, lists are mutable what is the difference between list[2] = [1,2,3] and list[2:2] = [1,2,3]? - CORRECT ANSWER [2] adds as list, [2:2] adds as separate elements how many elements does list[2:3] represent? - CORRECT ANSWER one where does a slice end? - CORRECT ANSWER right before the second index of the slice how do you remove element three from a list by slicing? - CORRECT ANSWER list[2:3] = [] is len a function or a method? - CORRECT ANSWER function how to find the length of a list? - CORRECT ANSWER len(list) what do we have to know about the operands of list operators? - CORRECT ANSWER both must be lists how to determine whether a value is an element of list? - CORRECT ANSWER element in list what does in do? - CORRECT ANSWER determines whether element is in list what does in operator return if element is fond? - CORRECT ANSWER TRUE what does in return if element is not found? - CORRECT ANSWER FALSE how do you return an entire list by slicing? - CORRECT ANSWER list[:] how do you reverse the order of elements of a list in place? - CORRECT ANSWER se() what are two situations for which tuples can be used but lists cannot? - CORRECT ANSWER % formatting, dictionary keys how do you get a dictionary value - CORRECT ANSWER dict[key] what are strings? - CORRECT ANSWER collection of characters that are stored together what do strings represent? - CORRECT ANSWER arbitrary text what are three ways of creating strings from text? - CORRECT ANSWER single, double, triple quotes what are two ways to make multiline strings? - CORRECT ANSWER triple quotes, backslash backspace - CORRECT ANSWER b horizontal tab - CORRECT ANSWER t