WebQ1: My Filter. Write a procedure my-filter, which takes a predicate func and a list lst, and returns a new list containing only elements of the list that satisfy the predicate.The output … WebZip Two Lists. Write a function in Scheme that zips two lists together. Zip takes in two lists and pairs each of the elements in the first list with the item at the corresponding index of the other list. The output is a list of two-item-lists. The length of the output list is the same as the smallest input list (meaning that the function should ...
CS 61A Scheme Specification CS 61A Summer 2024
WebHomework 2 is due Thursday 2/2 @ 11:59pm.; Midterm 1 is 7pm-9pm on Monday 2/6 in various locations across campus. Complete the midterm 1 exam alteration request form by Thursday 2/2 @ 11:59pm for DSP accommodations, left-handed desks, alternate times, mask-required rooms, and any other exam-related requests.; You may bring one two … Web•A (linked) Scheme list is a pair in which the second element is nil or a Scheme list. •Scheme lists are written as space-separated combinations. •A dotted list has an arbitrary value for the second element of the last pair. Dotted lists may not be well-formed lists. > (define x (cons 1 nil)) > x (1) > (car x) 1 > (cdr x) () dallas cowboys t shirt kids
61A Code
WebHomework 6: Scheme, Tail Recursion, and Macros hw06.zip; Due by 11:59pm on Tuesday, 8/6. Instructions. Download hw06.zip. Our course uses a custom version of Scheme (which you will build for Project 4) included in the starter ZIP archive. ... Hint: You may use the built-in map and filter procedures. Check out the Scheme Built-ins … http://markmiyashita.com/cs61a/sp14/rlists/map_and_filter_rlists_object_version/ WebPrimitives and Defining Variables. Scheme has a set of atomic primitive expressions. Atomic means that these expressions cannot be divided up. scm> 123 123 scm> #t True scm> #f False. Unlike in Python, the only primitive in Scheme that is a false value is #f and its equivalents, false and False. This means that 0 is not false. birchfield fencing