```
import re
def arithmetic_arranger(problems, solve :False):
if solve:
firstLine = ''
secondLine = ''
sumP = ''
#
if len(problems) > 5:
return 'Error: Too many problems.'
for problem in problems:
l = (problem.split(' '))
firstLine = l[0]
op = l[1]
secondLine = l[2]
if len(firstLine) >= 5 or len(secondLine) >= 5 :
return 'Error: Numbers cannot be more than four digits.'
if not firstLine.isnumeric() or not secondLine.isnumeric():
return 'Error: Numbers must only contain digits.'
length = max(len(firstLine), len(secondLine)) + 2
top = str(firstLine).rjust(length)
bottom = op + str(secondLine).rjust(length - 1)
sum = ''
for s in range(length):
sum += '-'
firstLine += top + ' '
secondLine += bottom + ' '
sumP += sum + ' '
else:
return "Error: Operator must be '+' or '-'.
firstLine.rstrip()
secondLine.rstrip()
sumP.rstrip()
arranged_problems = firstLine + '\n' + secondLine + '\n' + sumP
return arranged_problems
```

welcome!

what issues are you having?

what’s going wrong?

I’ve edited your post for readability. When you enter a code block into a forum post, please precede it with a separate line of three backticks and follow it with a separate line of three backticks to make it easier to read.

You can also use the “preformatted text” tool in the editor (`</>`

) to add backticks around text.

See this post to find the backtick on your keyboard.

**Note:** Backticks (`) are not single quotes (’).

This topic was automatically closed 182 days after the last reply. New replies are no longer allowed.