In [28]:
class Vehicles(object):
    """
    Vehicles prototype to describe the cars.
    Car name, it's price, and type i.e. van, convertible.
    """
    global kind 
    
    kind = "car"
    
    def __init__(self, name, nature, worth):
        self.name = name
        self.nature = nature
        self.worth = worth
    
    def describe(self):
        """
        Returns construct of properties of the car.
        """
        return "%s is a kind of %s %s and it's worth is US $%-6d" %(self.name, self.nature, kind, self.worth)

car1 = Vehicles("Fer", "red convertible", 60000)
car2 = Vehicles("Jump", "blue van", 10000)

print "\ncar1 object of the Vehicle class is, ",
print car1.__doc__

print "\ndescribe function of Vehicle class is, ",
print car1.describe.__doc__

print car1.describe()
print car2.describe()


car1 object of the Vehicle class is,  
    Vehicles prototype to describe the cars.
    Car name, it's price, and type i.e. van, convertible.
    

describe function of Vehicle class is,  
        Returns construct of properties of the car.
        
Fer is a kind of red convertible car and it's worth is US $60000 
Jump is a kind of blue van car and it's worth is US $10000