Added 1603 - design parking system Python solution

Author: TassaraR

Diff for: python/1603-design-parking-system.py

@@ -0,0 +1,17 @@
+class ParkingSystem:
+
+    def __init__(self, big: int, medium: int, small: int):
+        
+        # [total_occupied, max_capacity]
+        self.parking = {
+            1: [0 ,big],
+            2: [0, medium],
+            3: [0, small]
+        }
+
+    def addCar(self, carType: int) -> bool:
+        new_total = self.parking[carType][0] + 1
+        if new_total <= self.parking[carType][1]:
+            self.parking[carType][0] += 1
+            return True
+        return False