Compute a child's current pocket-money balance from a hand-written ledger with a starting balance, +/-…

Compute a child's current pocket-money balance from a hand-written ledger with a starting balance, +/-…: a task in agent-harbor-tasks (Harbor dataset). Quanti soldi ha adesso Leo nel salvadanaio? Tengo i conti in /workdir/famiglia/paghetta leo.txt (le righe con sono solo note). Scrivi solo il…