#lang curr/lib

@lesson[#:title "1.Contract:"]{@code{#:contract ""} @fill-in-the-blank[#:id "name" 
                                                   #:label "Name"]
                                @code{#:contract ":"}
                                                  @fill-in-the-blank[#:id "domain" 
                                                   #:label "Domain"]
                                @code[#:contract "-->"]
                                                  @fill-in-the-blank[#:id "range" 
                                                   #:label "Range"]
                                       
@code[#:contract ""] @fill-in-the-blank[#:id "purpose" 
                                        #:columns 800
                                         #:label "What does the function do?"]}
                                                  
@lesson[#:title "2. Examples:"]{ 
@code{(EXAMPLE @fill-in-the-blank[#:id "ex1" #:label "use your shortcut with some inputs..."]
               
               @fill-in-the-blank[#:id "ex2" #:label "that expands to..."]}

@code{(EXAMPLE @fill-in-the-blank[#:id "ex1" #:label "use your shortcut with some inputs..."]
               
                  @fill-in-the-blank[#:id "ex2" #:label "that expands to..."]}}

                                                                                                  
@lesson[#:title "3. Function Header:"]{
@code{(define (@fill-in-the-blank[#:id "fn" #:label "function name"] @fill-in-the-blank[#:id "var" #:label "variable names for each of your inputs"]
               
               @fill-in-the-blank[#:id "code" #:label "...and the computer does this"]}}