A checkbox group toggles membership in a selection set. Input: one toggle per line (the option name). Print the final selection as a sorted JSON array.
Input: toggle lines. Output: sorted JSON array.
Your program reads from stdin and prints to stdout.
Example 1
Input: red blue red
Output: ["blue"]
Hints
A checkbox group toggles membership in a selection set. Input: one toggle per line (the option name). Print the final selection as a sorted JSON array.
Input: toggle lines. Output: sorted JSON array.
Your program reads from stdin and prints to stdout.
Example 1
Input: red blue red
Output: ["blue"]
Hints