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

Posted by Philip Ollas
Philip Ollas
5,705 Points

Add a try block before where you turn your arguments into floats. Then add an except to catch the possible ValueError.

Stuck again and hope to get some help.

trial.py 
def add(one, two):

    try:
numbers= float(one) + float(two)

except  ValueError:
        return None
    else:
         return numbers
Christopher Janke
Christopher Janke
11,054 Points
Christopher Janke
Christopher Janke
11,054 Points

Looks like its a problem of mostly just your spacing, I have reformatted it for you. Try this.

def add(one,two):
    try:
        one = float(one)
        two = float(two)
    except ValueError:
        return None
    else:
        return one+two

1 Answer

Philip Ollas
Philip Ollas
5,705 Points
Philip Ollas
Philip Ollas
5,705 Points

Thank you Christopher for the reply. I actually slowed the problem already.