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It may be simple, but I have only been doing this a week.

I am learning to define functions, so I was doing Columbus, Ohio tax as a test.

I keep getting a space between the dollar amount and the total no matter what I try. I was hoping someone had a solution. Again I am very new and just here to learn.

>>> def tax_ohio(subtotal):
        '''(number) -> number

Gives the total after Ohio tax given the
cost of an item.

>>> tax_ohio(100)
$107.5
>>> tax_ohio(50)
$53.75
'''
total = round(subtotal*1.075, 2)
return print('$',total)

>>> tax_ohio(100)
$ 107.5
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  • A sidenote: I'd rather use decimal for financial data. Commented Apr 15, 2015 at 4:53
  • A small point here - the results of your execution will always have 2 decimal places, so the answer will be $107.50 and not $107.5. Commented Apr 15, 2015 at 4:54

4 Answers 4

Reset to default
3

Use + instead of comma in the print function., in the print function would print the default sep value ie, space.

print('$'+str(total))
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3 Comments

>>> tax_ohio(100) Traceback (most recent call last): File "<pyshell#102>", line 1, in <module> tax_ohio(100) File "<pyshell#101>", line 13, in tax_ohio return print('$'+total) TypeError: Can't convert 'float' object to str implicitly >>> I get this error when I attempt that.
check my edit..it's str(total) . You could do like this print('$',str(total), sep="") also.
Thanks. Super useful to be able to convert numbers to strings.
3

Use string formatting:

print('${}'.format(total))
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3 Comments

Perfect, thanks! I will be able to use that in the future as well!
It might worth considering '${:.2f}'.format(total).
Good point @bereal, but considering there is already total = round(subtotal*1.075, 2) the number is already at the right precision.
1

For avoiding the space, concatenate the variables with the + operator:

def tax_ohio(subtotal):
   total = round(subtotal*1.075, 2)
   print '$'+str(total)

The , automatically appends a space between the variables.

PS. Note that you have to manually cast the float to string, otherwise you would receive the following error:

TypeError: unsupported operand type(s) for +: 'int' and 'str'
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0

Because you are using print with multiple arguments, which automatically puts spaces in between. Instead use string concatenation. use $+str(total) instead.

The str() function converts the number to a string

and the + operator concatenates (joins) the two gives strings.

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