1 files changed, 46 insertions, 0 deletions
diff --git a/9618-42-mj-2022/Question1_J22.py b/9618-42-mj-2022/Question1_J22.py
new file mode 100644
index 0000000..3b8e5c5
--- /dev/null
+++ b/9618-42-mj-2022/Question1_J22.py
@@ -0,0 +1,46 @@
+#1a
+StackData = [None for i in range(10)] # global variable because defined in the main script execution context.
+StackPointer = 0 # global variable because defined in the main script execution context.
+
+#1b
+def OutputAllElements():
+    global StackData
+    global StackPointer
+    for dataItem in StackData:
+        print(dataItem)
+    print(f"Stack pointer: {StackPointer}")
+
+#1c
+def Push(push_item: int):
+    global StackData
+    global StackPointer
+    if StackPointer == len(StackData):
+        return False
+    StackData[StackPointer] = push_item
+    StackPointer += 1
+    return True
+# 1 e i
+def Pop():
+    global StackData
+    global StackPointer
+    if StackPointer == 0:
+        return -1
+    StackPointer -= 1
+    item = StackData[StackPointer]
+    StackData[StackPointer] = None
+    return item
+
+#1d
+for i in range(11):
+    num = int(input(f"Number {i}: "))
+    successful = Push(num)
+    if successful:
+        print("Successfully pushed the item to the stack.")
+    else:
+        print("The stack is full.")
+print(StackData)
+
+# 1 e ii
+Pop()
+Pop()
+print(StackData)
+\ No newline at end of file