except ValueError, e: What needs to be changed to run in Python 3? code example

Example 1: error handling Pyhtin

# taking input from the user 
try:
    age = int(input("Please enter your age: "))
    print(age)
except:
    print("please enter a number instead! ")
    print('bye')


# if you wanna ask their age until they enter the correct number use While Loop
while True:
    try:
        age = int(input("Please enter your age: "))
        print(age)
    except:
        print("please enter a number instead! ")
    else:
        break

Example 2: exception variable properties python

>>> try:
...     raise Exception('spam', 'eggs')
... except Exception as inst:
...     print(type(inst))    # the exception instance
...     print(inst.args)     # arguments stored in .args
...     print(inst)          # __str__ allows args to be printed directly,
...                          # but may be overridden in exception subclasses
...     x, y = inst.args     # unpack args
...     print('x =', x)
...     print('y =', y)
...
<class 'Exception'>
('spam', 'eggs')
('spam', 'eggs')
x = spam
y = eggs