I might be wrong but aren't these called spikes? I do exploratory coding in a similar way, usually with a repl next to my text editor, and this first single fi

I might be wrong but aren't these called spikes? I do exploratory coding in a similar way, usually with a repl next to my text editor, and this first single file version is usually always trash but helps me understand the problem space. Then I write it "for real" with the knowledge I've gained.