console based application for parking.

1. create_parking_lot
2. park
3. leave
4. status
5. registration_numbers_for_cars_with_colour
6. slot_numbers_for_cars_with_colour
7. slot_number_for_registration_number

1. create_parking_lot
   

   create_parking_lot command can be used to create a parking lot. We can specify the parking lot size by passing a number(size) in first argument
   e.g.
   

   // size of parking lot = 10
   create_parking_lot 10 
   

2. park

   park command can be used to allocate a parking space to a vehicle.
   e.g.
   

   // park [REG_NO] [COLOR]
   park KA-01-HH-2701 Blue
   

3. leave

   leave command can be used to pull out a vehicle from parking lot.
   e.g.
   

   // leave [SPOT_NO]
   leave 4
   

4. status

   status command will show the status of parking lot
   

   status
   Slot No. Registration No Colour
   1   KA-01-HH-2701   Red
   2   KA-01-HH-2702   Green
   3   KA-01-HH-2703   Blue
   

5. registration_numbers_for_cars_with_colour

   To display the registration number of car(s) with a specific color.
   

   registration_numbers_for_cars_with_colour Blue
   KA-01-HH-1234, KA-01-HH-9999    
   

6. slot_numbers_for_cars_with_colour