I want to make my code reject anything below absolute zero(–273.15 °C; –459.67 °F)

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What would I add to my code so that it returns "False" when one inputs a temperature that is below absolute zero (–273.15 °C; –459.67 °F)

my code:

def f2c(fahrenheit):
    #Converts F to C
    #USAGE: print(f2c(f_temp))
    celsius = (fahrenheit - 32) * 5/9
    return celsius

def c2f(celsius):
    #Converts C to F
    #USAGE: print(c2f(c_temp))
    fahrenheit = celsius * 9/5 + 32
    return fahrenheit

What I have tried:

I've yet to try anything. I will be importing this "helper" module into another module, where I can test and use it

Posted 12-Oct-21 10:40am

Sagar Bulsara

Updated 12-Oct-21 11:00am

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Member 15329613 12-Oct-21 16:54pm

Wouldn't you need an if statement to test the value?

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k5054 · Answer 1 · 2021-10-12T11:00:00

The answer to your question is to use an if statement e.g.

Python

def f2c(fahrenheit):
   if(fahrenheit < 459.67):
       return False
   return (fahrenheit - 32) * 5/9

Consider whether that's really what you want to do, though. Maybe throwing an exception of some kind when an invalid temperature is entered might be a better idea.