return codes
0 = success

grammar:

    keywords: set, compare, do, repeat, end, turn, print, input, index, where, list, add, remove, also, exec
    types: func, string, integer, float, list, scaffold
    built-in functions: print, input
    operators: + - / *
    assignment operators: = += -= *= /=
    comparisment operators: > < >= <= == != in not and or
    things in {} is considered code and will be executed first when for example assigning a variable, example: define string teststring {do input}