RfahP/Arithmetic-Formatter-Project_FCC

AI Summary: The task is to debug a Python function `arithmetic_arranger` that formats arithmetic problems. The function should handle addition and subtraction of up to five problems with numbers not exceeding four digits. The current code has errors in handling invalid operators and exceeding the digit limit. The goal is to fix these errors so that the function correctly arranges and optionally displays the answers to the arithmetic problems.