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

Stefan Vaziri
Stefan Vaziri
17,453 Points
Posted by Stefan Vaziri
Stefan Vaziri
17,453 Points

Help!

Not sure how to do the "return of the added floats." Also I don't think I'm turning everything into a float. I used the same thing from line 2 but I don't think that's right.

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

2 Answers

sibal gesekki
sibal gesekki
3,484 Points
sibal gesekki
sibal gesekki
3,484 Points

get rid of the first part of your code. we need to "try" to convert the numbers before actually adding them. if we can convert them then we return the added value, otherwise throw exception. and then return 'total' at the end if no errors are thrown

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