Add CT331 Programming Paradigms

third/semester1/CT331: Programming Paradigms/assignments/assignment2/code/assignment_q1.rkt

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+#lang racket
+
+;; a cons pair of two numbers
+(cons 1 2)
+
+;; a list of 3 numbers using only the cons function
+;; this could be more easily done using the single quote `'` (i.e., `'(1 2 3)`) but i don't use it as it seemed against the spirit of the question
+(cons 1 (cons 2 (cons 3 empty)))   
+
+;; a list containing a string, a number, and a nested list of three numbers using only the cons function
+(cons "a string"
+    (cons 0 
+        (cons (cons 1 (cons 2 (cons 3 empty))) empty)
+    )
+)
+
+;; a list containing a string, a number, and a nested list of three numbers, using only the list function
+(list "a string" 0 (list 1 2 3))
+
+;; a list containing a string, a number, and a nested list of three numbers, using only the append function
+;; using `'` as the arguments of the `append` function must be themselves lists
+(append '("a string") '(0) '((1 2 3)))