I have been learning python for a few weeks now and after completing the freecodecamp videos about it i started doing the project. In this project I have to make an arithmetic arranger. I wrote the code that prints it out and i went over every rule they gave us, but my code still passes only 4 tests and fails 6. I know we should do the projects on our own but, I just cant find whats wrong since i get the right output. Could you give me a hint or some help on how I can fix it?

Here is the to my code: link https://replit.com/@TheMystic3/boilerplate-arithmetic-formatter-11#arithmetic_arranger.py

And here is the link to the project: https://www.freecodecamp.org/learn/scientific-computing-with-python/scientific-computing-with-python-projects/arithmetic-formatter

1 Like

```
def arithmetic_arranger(problems, show_answers=False):
if len(problems) > 5:
return "Error: Too many problems"
formatted_problems = []
for problem in problems:
parts = problem.split()
if len(parts) != 3 or parts[1] not in "+-":
return (
"Error: Each problem must contain two operands and one operator with"
" '+' or '-'."
)
operand1, operator, operand2 = parts
if not operand1.isdigit() or not operand2.isdigit():
return "Error: Numbers must only contain digits."
if len(operand1) > 4 or len(operand2) > 4:
return "Error: Numbers cannot be more than four digits."
max_length = max(len(operand1), len(operand2))
top_line = operand1.rjust(max_length + 2)
bottom_line = operator + operand2.rjust(max_length + 1)
dash_line = "-" * (max_length + 2)
formatted_problem = [top_line, bottom_line, dash_line]
if show_answers:
answer = str(eval(problem)).rjust(max_length + 2)
formatted_problem.append(answer)
formatted_problems.append(formatted_problem)
arranged_problems = [" ".join(parts) for parts in zip(*formatted_problems)]
return "\n".join(arranged_problems)
problems = ["32 + 698", "3801 - 2", "45 + 43", "123 + 49"]
problems_with_answers = ["32 + 8", "1 - 3801", "9999 + 9999", "523 - 49"]
print(arithmetic_arranger(problems))
print(arithmetic_arranger(problems_with_answers, True))
```

1 Like

thanks, your code has fixed most of the fails i get but i still get 2 more which should be working.

I have fixed 1 one of them but the second 1 i cant figure out. Do u mind taking 1 more look?

Here is the link: https://replit.com/@TheMystic3/boilerplate-arithmetic-formatter-10#arithmetic_arranger.py