How can I format a float as a string in python?

Question

def main():
    M = float(input('Please enter sales for Monday: '))
    T = float(input('Please enter sales for Tuesday: '))
    W = float(input('Please enter sales for Wednesday: '))
    R = float(input('Please enter sales for Thursday: '))
    F = float(input('Please enter sales for Friday: '))
    sales = [M, T, W, R, F]

        total = 0 

    for value in sales:
        total += value

    print ('The total sales for the week are: $',total('.2f'))

main()

With the .2f format I am getting this exception:

TypeError: 'float' object is not callable

If I remove the .2f the script runs properly but the formatting is not how I would like it, it displays as:

The total sales for the week are: $ 2500.0

I would prefer to have it so that there are 2 decimal places and no space between the $ sign.

Still new to python and learning the basics. Your help is greatly appreciated.

You need '{:.2f}'.format(total), and to sum a list, use the docs.python.org/3/library/functions.html#sum builtin — Devesh Kumar Singh
– Devesh Kumar Singh, Commented Nov 22, 2019 at 18:09

Thiago Schettini · Accepted Answer · 2019-11-22 18:13:15Z

5

replace

print ('The total sales for the week are: $',total('.2f'))

for

print ('The total sales for the week are: $',"{0:.2f}".format(total))

answered Nov 22, 2019 at 18:13

Thiago Schettini

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1 Comment

Christian R Over a year ago

Thank you! Used your format statement and removed the comma and the format came out exactly how I was looking for. It now reads: The total sales for the week are: $2500.00

damon · Accepted Answer · 2019-11-22 18:20:02Z

3

In python, you can format strings in a variety of ways. Here are some good resources on them:

https://docs.python.org/3/library/string.html
https://realpython.com/python-string-formatting/
http://pyformat.info – (does not include f-string formatting)

For your case, you can format the total value like this:

>>> total = 1234.56789

>>> "{:.2f}".format(total)
'1234.57'

>>> "%.2f" % total
'1234.57'

# This only works in 3.7 and later
>>> f"{total:.2f}"
'1234.57'

For your particular case, you can format the entire print string in one go:

print(f"The total sales for the week are: ${total:.2f}")

edited Nov 22, 2019 at 18:20

answered Nov 22, 2019 at 18:12

damon

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1 Comment

damon Over a year ago

@MadPhysicist Thank you, I can't believe I left it out!

Aviad Rozenhek · Accepted Answer · 2019-11-22 18:11:37Z

2

here's a solution using python's 3 f-string feature

print (f'The total sales for the week are: {total:.2f}')

answered Nov 22, 2019 at 18:11

Aviad Rozenhek

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Comments

Charles Merriam · Accepted Answer · 2019-11-22 18:11:22Z

1

You may total a list with the builtin sum function. Try print(sum(sales)).

You may format your floating point like this print(f'Week is {sum(sales):.2f}')

Small nits.

Keep Hacking! Keep notes.

answered Nov 22, 2019 at 18:11

Charles Merriam

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Comments

Yukun Li · Accepted Answer · 2019-11-22 18:14:38Z

0

check here Limiting floats to two decimal points

sample code

def main():
    M = float(input('Please enter sales for Monday: '))
    T = float(input('Please enter sales for Tuesday: '))
    W = float(input('Please enter sales for Wednesday: '))
    R = float(input('Please enter sales for Thursday: '))
    F = float(input('Please enter sales for Friday: '))
    sales = [M, T, W, R, F]

    total = 0 

    for value in sales:
        total += value
    total = "{0:.2f}".format(total)
    print ('The total sales for the week are: $' + str(total))

main()

answered Nov 22, 2019 at 18:14

Yukun Li

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Comments

user9634982 · Accepted Answer · 2019-11-22 19:20:58Z

0

Formatters in Python allow you to use curly braces as placeholders for values that you’ll pass through with the str.format() method.

As per your requirement

total = 0 
print ('The total sales for the week are: $',"{0:.2f}".format(total))

answered Nov 22, 2019 at 19:20

user9634982

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Ellis · Accepted Answer · 2019-11-22 20:00:28Z

0

Just make this correction:

print('The total sales for the week are:',format(total,('.2f')),'$')

edited Nov 22, 2019 at 20:00

Ellis

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answered Nov 22, 2019 at 18:54

Kumar Kolhe

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