# Getting error in Challenge: Arithmetic Formatter

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Can someone please help me find the error in this code as it is failing the test

``````import re

def arithmetic_arranger(problems, ShowAns = False):

if(len(problems) > 5):
return "Error: Too many problems."
FirstLine = ""
SecondLine = ""
Lines = ""
Solution = ""

for problem in problems:
if(re.search("[^\s0-9,+-]", problem)):
if(re.search("[/]"), problem or re.search("[*]"), problem):
return "Error: Operator must be '+' or '-'."
return "Error: Number must only contain digits."

Input = problem.split()
Num1 = Input[0]
Operator = Input[1]
Num2 = Input[2]

if(len(Num1) >= 5 or len(Num2) >= 5):
return "Error: Number cannot be more than four digits."

Ans = " "
if(Operator == '+'):
Ans = str(int(Num1) + int(Num2))
elif(Operator == '-'):
Ans = str(int(Num1) - int(Num2))

length = max(len(Num1), len(Num2)) + 2
top = str(Num1).rjust(length)
bottom = str(Operator) + str(Num2).rejust(length - 1)
line = ""
res = str(Ans).rjust(length)
for s in range(length):
line = "-"

if(problem != problems[-1]):
FirstLine += top + "    "
SecondLine += bottom + "    "
Lines += line + "    "
Solution += res + "    "
else:
FirstLine += top
SecondLine += bottom
Lines += line
Solution += res

if(ShowAns == True):
arranged_problems = f"{FirstLine}\n{SecondLine}\n{Lines}\n{Solution}"
else:
arranged_problems = f"{FirstLine}\n{SecondLine}\n{Lines}"

return arranged_problems
``````

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Challenge: Arithmetic Formatter

Edit:-

``````import re

def arithmetic_arranger(problems, ShowAns=False):

if (len(problems) > 5):
return "Error: Too many problems."

FirstLine = ""
SecondLine = ""
Lines = ""
Solution = ""

for problem in problems:
if (re.search("[^\s0-9.+-]", problem)):
if (re.search("[/]", problem) or re.search("[*]", problem)):
return "Error: Operator must be '+' or '-'."
return "Error: Number must only contain digits."

Input = problem.split()
Num1 = Input[0]
Operator = Input[1]
Num2 = Input[2]

if (len(Num1) >= 5 or len(Num2) >= 5):
return "Error: Numbers cannot be more than four digits."

Ans = " "
if (Operator == '+'):
Ans = str(int(Num1) + int(Num2))
elif (Operator == '-'):
Ans = str(int(Num1) - int(Num2))

length = max(len(Num1), len(Num2)) + 2
top = str(Num1).rjust(length)
bottom = str(Operator) + str(Num2).rjust(length - 1)
line = ""
res = str(Ans).rjust(length)
for s in range(length):
line += "-"

if (problem != problems[-1]):
FirstLine += top + "    "
SecondLine += bottom + "    "
Lines += line + "    "
Solution += res + "    "
else:
FirstLine += top
SecondLine += bottom
Lines += line
Solution += res

if (ShowAns == True):
arranged_problems = f"{FirstLine}\n{SecondLine}\n{Lines}\n{Solution}"
else:
arranged_problems = f"{FirstLine}\n{SecondLine}\n{Lines}"

return arranged_problems
``````

I Fixed some of my mistakes but still it’s giving 1 fail

``````FAILED test_module.py::test_template[test_only_digits] - AssertionError: Expe...
``````