value = 5
match value:
    case 0:
        print("Value is zero")
    case 1 | 2:
        print("Value is one or two")
    case _:
        print("Value is something else")

   point = (3, 4)
   match point:
       case (0, 0):
           print("Origin")
       case (x, y) if x == y:
           print(f"On the line y = x at ({x}, {y})")
       case (x, y):
           print(f"Point at ({x}, {y})")

   fruits = ["apple", "banana", "orange"]
   match fruits:
       case ["apple", "banana", "orange"]:
           print("All three fruits")
       case ["apple", fruit] if fruit in ["banana", "orange"]:
           print(f"Apple and {fruit}")
       case _:
           print("Some other fruits")

   class Point:
       def __init__(self, x, y):
           self.x = x
           self.y = y

   p1 = Point(3, 4)
   match p1:
       case Point(0, 0):
           print("Origin")
       case Point(x, y) if x == y:
           print(f"On the line y = x at ({x}, {y})")
       case Point(x, y):
           print(f"Point at ({x}, {y})")

   data = (1, [2, 3], {"key": "value"})
   match data:
       case (x, [y, z], {"key": v}):
           print(f"x = {x}, y = {y}, z = {z}, v = {v}")
       case _:
           print("No match")

   value = 10
   match value:
       case x if x > 5 and x < 15:
           print(f"Value is between 5 and 15: {x}")
       case x if x % 2 == 0:
           print(f"Value is even: {x}")
       case _:
           print("No match")

   import json

   data = json.loads('{"type": "point", "x": 3, "y": 4}')
   match data:
       case {"type": "point", "x": x, "y": y}:
           print(f"Point at ({x}, {y})")
       case {"type": "line", "start": {"x": x1, "y": y1}, "end": {"x": x2, "y": y2}}:
           print(f"Line from ({x1}, {y1}) to ({x2}, {y2})")
       case _:
           print("Unknown data format")

   import argparse

   parser = argparse.ArgumentParser()
   parser.add_argument("--action", choices=["add", "subtract", "multiply"])
   parser.add_argument("numbers", nargs="+", type=int)

   args = parser.parse_args()

   match args.action:
       case "add":
           result = sum(args.numbers)
           print(f"Sum: {result}")
       case "subtract":
           result = args.numbers[0] - sum(args.numbers[1:])
           print(f"Subtraction: {result}")
       case "multiply":
           result = 1
           for number in args.numbers:
               result *= number
           print(f"Multiplication: {result}")
       case _:
           print("Invalid action")

   class StateMachine:
       def __init__(self):
           self.state = "idle"

       def process_event(self, event):
           match event:
               case "start":
                   if self.state == "idle":
                       self.state = "running"
                       print("Started")
                   else:
                       print("Invalid event")
               case "stop":
                   if self.state == "running":
                       self.state = "idle"
                       print("Stopped")
                   else:
                       print("Invalid event")
               case _:
                   print("Unknown event")

   machine = StateMachine()
   machine.process_event("start")
   machine.process_event("stop")