Added Exam Preparation - Exercise

Author: MitkoVtori

Advanced/Exam Preparation/Exam Preparation - Exercise/01. Ramen Shop.py

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+from collections import deque
+
+bowls_of_ramen = deque(map(int, input().split(", ")))
+customers = deque(map(int, input().split(", ")))
+
+while bowls_of_ramen and customers:
+    ramen, customer = bowls_of_ramen.pop(), customers.popleft()
+
+    if ramen > customer:
+        ramen -= customer
+        bowls_of_ramen.append(ramen)
+
+    elif customer > ramen:
+        customer -= ramen
+        customers.appendleft(customer)
+
+
+if not customers:
+    print("Great job! You served all the customers.")
+
+    if bowls_of_ramen:
+        print(f"Bowls of ramen left: {', '.join([str(num) for num in bowls_of_ramen])}")
+
+elif customers:
+    print("Out of ramen! You didn't manage to serve all customers.")
+    print(f"Customers left: {', '.join([str(num) for num in customers])}")

Advanced/Exam Preparation/Exam Preparation - Exercise/02. Navy Battle.py

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+size = int(input())
+
+battle_field = []
+submarine = [0, 0]
+
+for row in range(size):
+    columns = [char for char in input()]
+    battle_field.append(columns)
+
+    if 'S' in columns:
+        submarine = [len(battle_field)-1, columns.index('S')]
+        battle_field[submarine[0]][submarine[1]] = '-'
+
+
+naval_mines = 0
+cruisers = 0
+
+while True:
+    movement = input()
+
+    if movement == "up":
+        submarine[0] -= 1
+
+    elif movement == "down":
+        submarine[0] += 1
+
+    elif movement == "left":
+        submarine[1] -= 1
+
+    elif movement == "right":
+        submarine[1] += 1
+
+    if battle_field[submarine[0]][submarine[1]] == "*":
+        naval_mines += 1
+        battle_field[submarine[0]][submarine[1]] = '-'
+
+        if naval_mines == 3:
+            print(f"Mission failed, U-9 disappeared! Last known coordinates [{submarine[0]}, {submarine[1]}]!")
+            break
+
+    elif battle_field[submarine[0]][submarine[1]] == "C":
+        cruisers += 1
+        battle_field[submarine[0]][submarine[1]] = '-'
+
+        if cruisers == 3:
+            print("Mission accomplished, U-9 has destroyed all battle cruisers of the enemy!")
+            break
+
+battle_field[submarine[0]][submarine[1]] = 'S'
+[print(''.join(row)) for row in battle_field]

Advanced/Exam Preparation/Exam Preparation - Exercise/03. Hourly Forecast.py

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+def forecast(*locations):
+
+    weathers = {
+        "Sunny": [],
+        "Cloudy": [],
+        "Rainy": []
+    }
+
+    for location_weather in locations:
+        location, weather = location_weather
+        try:
+            weathers[weather].append(location)
+        except KeyError:
+            continue
+
+    result = []
+    for weather, locs in weathers.items():
+        locs = sorted(locs)
+        for loc in locs:
+            result.append(f"{loc} - {weather}")
+
+    return '\n'.join(result)
+
+
+''' TESTS '''
+# print(forecast(
+#     ("Sofia", "Sunny"),
+#     ("London", "Cloudy"),
+#     ("New York", "Sunny")))
+# print()
+# print(forecast(
+#     ("Beijing", "Sunny"),
+#     ("Hong Kong", "Rainy"),
+#     ("Tokyo", "Sunny"),
+#     ("Sofia", "Cloudy"),
+#     ("Peru", "Sunny"),
+#     ("Florence", "Cloudy"),
+#     ("Bourgas", "Sunny")))
+# print()
+# print(forecast(
+#     ("Tokyo", "Rainy"),
+#     ("Sofia", "Rainy")))