Reading user input in Python

Question

Write nested decision structures that perform the following: If amount1 is greater than 10 and amount2 is less than 100, display the greater of amount1 and amount2.

this is what I have so far:

amount1=print('Enter amount1:')
amount2=print('Enter amount2:')
if amount1> 10 and amount2< 100:
    if amount1>amount2:
        print('amount1 is greater')
    elif amount2>amount1:
        print('amount2 is greater')
else:
    print('Amounts not in valid range')

when I run the program, this error message comes up:

Traceback (most recent call last):
  File "/Users/Yun/Documents/untitled", line 3, in <module>
    if amount1> 10 and amount2< 100:
TypeError: unorderable types: NoneType() > int()

Martijn Pieters · Accepted Answer · 2014-02-15 16:58:56Z

4

The print() function returns None, which you store in amount1 and amount2. You probably meant to use input() there instead:

amount1 = input('Enter amount1:')
amount2 = input('Enter amount2:')

answered Feb 15, 2014 at 16:58

Martijn Pieters

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Comments

akaRem · Accepted Answer · 2014-02-15 17:01:01Z

1

Did you mean

amount1=raw_input('Enter amount1:')
amount2=raw_input('Enter amount2:')

if amount1> 10 and amount2< 100:
    if amount1>amount2:
        print('amount1 is greater')
    elif amount2>amount1:
        print('amount2 is greater')
else:
    print('Amounts not in valid range')

answered Feb 15, 2014 at 17:01

akaRem

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2 Comments

thegrinner Over a year ago

raw_input was replaced with just input in Python 3. docs.python.org/dev/whatsnew/3.0.html#builtins

akaRem Over a year ago

@thegrinner sorry, didn't see py3k tag

Dmitry Kuzminov · Accepted Answer · 2019-08-09 04:25:07Z

0

You need to use input instead of the print function.
You need to cast the variables amount1 and amount2 as an int data type.

    amount1=int(input('Enter amount1:'))
    amount2=int(input('Enter amount2:'))
    if amount1> 10 and amount2< 100:
        if amount1>amount2:
            print('amount1 is greater')
        elif amount2>amount1:
            print('amount2 is greater')
    else:
        print('Amounts not in valid range')

edited Aug 9, 2019 at 4:25

Dmitry Kuzminov

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answered Aug 9, 2019 at 2:47

Mesgana Desta

1

Comments

Kristina Kalashnikova · Accepted Answer · 2023-01-28 12:05:10Z

0

Print() function returns str type value, you need to convert it into int or float type. int(print(' '))

answered Jan 28, 2023 at 12:05

Kristina Kalashnikova

11 bronze badge

1 Comment

Community Over a year ago

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