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Python Python Basics (2015) Logic in Python Try and Except

Eugene Woo
Eugene Woo
417 Points
Posted by Eugene Woo
Eugene Woo
417 Points

Hi, I'd like some guidance around where i went wrong for 'Try and Except' Challenge Task #3. My code as follows:

I keep getting the 'bummer try again' error message. Can someone advise where I went wrong please?

trial.py 
def add(x,y):
try: 
   x=float(input())
   y=float(input())
except valueerror:
  return None
else: 
  return(float(x)+float(y))

1 Answer

Carlos Federico Puebla Larregle
Carlos Federico Puebla Larregle
21,074 Points
Carlos Federico Puebla Larregle
Carlos Federico Puebla Larregle
21,074 Points

You don't need to use the "input()" function, just parse the arguments to float inside of the "try" block if there's a valueError return None. Else (means) that the except block was never reach return the add of both arguments. You could do it like this:

def add(num1, num2):
  try:
    num1 = float(num1)
    num2 = float(num2)
  except ValueError:
    return None
  else:
    return num1 + num2

I hope that helps