Tell us what’s happening:
I don’t know why but the 1-4 tests don’t work, even though I checked and they all follow the criteria set i think
Your code so far
def arithmetic_arranger(problems, show_answers=False):
first_line = ''
second_line = ''
third_line = ''
fourth_line = ''
for problem in problems:
num1, operand, num2 = problem.split()
if len(problems) > 5:
return ("Error: Too many problems.")
elif operand == '*' or operand == '/':
return ("Error: Operator must be '+' or '-'.")
elif not num1.isdigit() or not num2.isdigit():
return ('Error: Numbers must only contain digits.')
elif len(num1) > 4 or len(num2) > 4:
return ("Error: Numbers cannot be more than four digits.")
width = max(len(num1), len(num2)) + 2
if show_answers == True:
if operand == '+':
ans = int(num1) + int(num2)
elif operand == '-':
ans = int(num1) - int(num2)
fourth_line += ' ' * (width - len(str(ans))) + str(ans) + ' '
first_line += ' ' * (width - len(num1)) + num1 + ' '
second_line += operand + ' ' * ((width - len(num2)) - 1) + num2 + ' '
third_line += '-' * width + ' '
line1 = first_line.rstrip(' ')
line2 = second_line.rstrip(' ')
line3 = third_line.rstrip(' ')
line4 = fourth_line.rstrip(' ')
formatted_problems = (line1 + '\n' + line2 + '\n' + line3 + '\n' + line4)
return formatted_problems
print(f'{arithmetic_arranger(["11 + 4", "3801 - 2999", "1 + 2", "123 + 49", "1 - 9380"])}')
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Challenge Information:
Build an Arithmetic Formatter Project - Build an Arithmetic Formatter Project