Solution: Raise My Exception

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examples/exceptions/my_positive.py

class MyValueError(ValueError):
   def __init__(self, val):
       self.value = val

class MyFloatError(MyValueError):
   def __str__(self):
       return "The given parameter {} is a float and not an int.".format(self.value)

class MyTypeError(MyValueError):
   def __init__(self, val, val_type):
       self.value_type = val_type
       super(MyTypeError, self).__init__(val)

   def __str__(self):
       return "The given parameter {} is of type {} and not int.".format(self.value, self.value_type)

class MyNegativeError(MyValueError):
   def __str__(self):
       return "The given number {} is not positive.".format(self.value)

def positive(num):
   if type(num).__name__ == 'float':
       raise MyFloatError(num)

   if type(num).__name__ != 'int':
       raise MyTypeError(num, type(num).__name__)

   if num < 0:
       raise MyNegativeError(num)

for val in [14, 24.3, "hi", -10]:
   print(val)
   print(type(val).__name__)
   try:
       positive(val)
   except MyValueError as ex:
       print("Exception: {}".format(ex))
       print("Exception type {}".format(type(ex).__name__))

   # Exception, ValueError