4 files changed, 136 insertions, 0 deletions
diff --git a/9618-41-mj-2021/TreasureChestData.txt b/9618-41-mj-2021/TreasureChestData.txt
new file mode 100644
index 0000000..d676fc8
--- /dev/null
+++ b/9618-41-mj-2021/TreasureChestData.txt
@@ -0,0 +1,15 @@
+2*2
+4
+10
+100/10
+10
+15
+1000*4
+4000
+20
+125/25
+5
+30
+3000+4000
+7000
+18
diff --git a/9618-41-mj-2021/question1.py b/9618-41-mj-2021/question1.py
new file mode 100644
index 0000000..61f1325
--- /dev/null
+++ b/9618-41-mj-2021/question1.py
@@ -0,0 +1,44 @@
+#1a
+class node:
+    def __init__(self):
+        self.data = None # integer type, none for empty value
+        self.nextNode = None # integer type, none for empty value
+#1b
+linkedList = [node() for i in range(10)]
+startPointer = 0
+emptyList = 5
+newData = [1, 5, 6, 7, 2, 0, 0, 56, 0, 0]
+newNextNode = [1, 4, 7, -1, 2, 6, 8, 3, 9, -1]
+for i in range(len(linkedList)):
+    linkedList[i].data = newData[i]
+    linkedList[i].nextNode = newNextNode[i]
+#1ci
+def outputNodes(array: list[node], startPointer: int):
+    print(array[startPointer].data)
+    nextItemIndex = array[startPointer].nextNode
+    while nextItemIndex != -1:
+        print(array[nextItemIndex].data)
+        nextItemIndex = array[nextItemIndex].nextNode
+#1cii
+outputNodes(linkedList, startPointer)
+#1di
+def addNode():
+    global linkedList
+    global startPointer
+    global emptyList
+    inputData = int(input("New data: "))
+    if emptyList == -1:
+        return False
+    linkedList[emptyList].data = inputData
+    nextEmptyList = linkedList[emptyList].nextNode
+    linkedList[emptyList].nextNode = startPointer
+    startPointer = emptyList
+    emptyList = nextEmptyList
+    return True
+#1dii
+success = addNode()
+if success == True: 
+    print("Successfully added a new node.") 
+else:
+    print("Failed to add the node, array is full.")
+outputNodes(linkedList, startPointer)
+\ No newline at end of file
diff --git a/9618-41-mj-2021/question2.py b/9618-41-mj-2021/question2.py
new file mode 100644
index 0000000..abbe1ea
--- /dev/null
+++ b/9618-41-mj-2021/question2.py
@@ -0,0 +1,27 @@
+#2a
+global arrayData
+arrayData = [10, 5, 6, 7, 1, 12, 13, 15, 21, 8]
+#2bi
+def linearSearch(searchValue: int):
+    for item in arrayData:
+        if item == searchValue: 
+            return True
+    return False
+#2bii
+valueToSearch = int(input("Your value to search for: "))
+found = linearSearch(valueToSearch)
+if found:
+    print("Value has been found")
+else:
+    print("Value can't be found")
+#2c
+def bubbleSort():
+    for x in range(0, len(arrayData)):
+        for y in range(0, len(arrayData) - x - 1):
+            if arrayData[y] < arrayData[y + 1]:
+                temp = arrayData[y]
+                arrayData[y] = arrayData[y + 1] 
+                arrayData[y + 1] = temp
+print(arrayData)
+bubbleSort()
+print(arrayData)
+\ No newline at end of file
diff --git a/9618-41-mj-2021/question3.py b/9618-41-mj-2021/question3.py
new file mode 100644
index 0000000..42a991b
--- /dev/null
+++ b/9618-41-mj-2021/question3.py
@@ -0,0 +1,50 @@
+#3a
+class TreasureChest:
+    def __init__(self, question: str, answer: int, points: int):
+        self.__question = question # String
+        self.__answer = answer # Integer
+        self.__points = points # Integer
+    #3ci
+    def getQuestion(self):
+        return self.__question
+    #3cii
+    def checkAnswer(self, user_answer: int):
+        if self.__answer == user_answer: 
+            return True
+        else:
+            return False
+    #3ciii
+    def getPoints(self, numberOfAttempts: int):
+        if numberOfAttempts == 1: return self.__points
+        if numberOfAttempts == 2: return self.__points // 2
+        if numberOfAttempts == 3 or numberOfAttempts == 4: return self.__points // 4
+        return 0
+#3b
+def readData():
+    TREASURE_CHEST_DATA_FILENAME = "TreasureChestData.txt"
+    try:
+        with open(TREASURE_CHEST_DATA_FILENAME, 'r') as file:
+            global arrayTreasure
+            arrayTreasure = [None for i in range(5)] # array of TreasureChest
+            for i in range(5):
+                question = file.readline().strip()
+                answer = int(file.readline().strip())
+                points = int(file.readline().strip())
+                arrayTreasure[i] = TreasureChest(question, answer, points)
+            file.close()
+    except IOError:
+        print("Error: the file cannot be found")
+
+#3civ
+readData()
+questionNumber = int(input("Input a question number (1 to 5): "))
+while questionNumber < 1 or questionNumber > 5:
+    questionNumber = int(input("Input a question number (1 to 5): "))
+print(arrayTreasure[questionNumber - 1].getQuestion())
+nAttempts = 1
+answerInput = int(input(f"[Attempt {nAttempts}] Your answer: "))
+while not arrayTreasure[questionNumber - 1].checkAnswer(answerInput):
+    answerInput = int(input(f"[Attempt {nAttempts}] Your answer: "))
+    nAttempts += 1
+points = arrayTreasure[questionNumber - 1].getPoints(nAttempts)
+print(f"You are awarded {points} points")
+\ No newline at end of file