[Tutor] Fahrenheit to Celsius Conversion with if else statements

Alan Gauld alan.gauld at yahoo.co.uk
Mon Jun 12 13:36:26 EDT 2017


On 12/06/17 15:17, William Gan wrote:

> print('Enter C for Celsius to Fahrenheit or F for Fahrenheit to Celsius.')
> unit = input('Enter C or F:')
> temp = int(input('Enter temperature:'))
> 
> if unit == 'C':

Note this only t5ests for 'C' - ie capital C.
You might want to force the input to be uppercase first?

if unit.upper() == 'C':


>     f = (temp + 32) * 9 / 5
>     print(str(temp) + ' C is equivalent to ' + "%.2f" % f + ' F.')
> else:
>     c = (temp - 32) * 5 / 9
>     print(str(temp) + ' F is equivalent to ' + "%.2f" % c + ' C.')
> 

> However, when I entered C, the else block was executed instead. The if block was skipped.
> 
> Enter C for Celsius to Fahrenheit or F for Fahrenheit to Celsius.
> 
> Enter C or F:c

Note you entered lowercase 'c' not 'C'.
Very different.

-- 
Alan G
Author of the Learn to Program web site
http://www.alan-g.me.uk/
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