Tell us what’s happening:
Describe your issue in detail here.
I ran the test module and passed,.
Q1. Is the link above in its entirety supposed to go into the solution link box?
Q2. Is my mess “readable” and did I over complicated anything?
Your code so far
def arithmetic_arranger(list1, default=False): # error 1 if len(list1) > 5: return "Error: Too many problems." # error 2 for i in list1: if i.split() in "+-": continue else: return "Error: Operator must be '+' or '-'." # error 3 list2 =  for i in list1: list2.append(i.split()) list2.append(i.split()) for i in list2: if not i.isdigit(): return "Error: Numbers must only contain digits." # error 4 for j in i.split(): if len(j) <= 4: continue else: return "Error: Numbers cannot be more than four digits." # prepare operand and operator list operands_top =  operators =  operands_bot =  dashes =  results =  # seperating operands and operators from the given list of strings # numbers are right-aligned # a single space between the operator and the longest of the two operands # dashes run along the entire length of each problem individually for i in list1: length = max(len(i.split()), len(i.split())) + 2 operands_top.append(i.split().rjust(length, " ")) operators.append(i.split()) operands_bot.append(i.split().rjust(length - 1, " ")) dashes.append("-" * length) # print(operands_top) # print(operators) # print(operands_bot) # print(dashes) # calculate the resutls # right-aligned for i in range(len(list1)): length = len(dashes[i]) top = operands_top[i] bot = operands_bot[i] if operators[i] == "+": results.append(str(int(top) + int(bot)).rjust(length, " ")) else: results.append(str(int(top) - int(bot)).rjust(length, " ")) # print(results) # operator on the same line as the second operand second_row =  for i in range(len(list1)): second_row.append(operators[i] + operands_bot[i]) # print(second_row) # four spaces between each problem # both operands are in the same order as provided first_row = " ".join(operands_top) second_row1 = " ".join(second_row) third_row = " ".join(dashes) forth_row = " ".join(results) # print(first_row) # print(second_row1) # print(third_row) # print(forth_row) if default: arranged_problems = "\n".join([first_row, second_row1, third_row, forth_row]) else: arranged_problems = "\n".join([first_row, second_row1, third_row]) return arranged_problems
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Challenge: Scientific Computing with Python Projects - Arithmetic Formatter
Link to the challenge: