Completed Design 2 Problem

Problem_1.py

@@ -0,0 +1,30 @@
+class MyQueue:
+
+    def __init__(self):
+        self.in_stack = []
+        self.out_stack = []
+
+    def push(self, x: int) -> None:
+        self.in_stack.append(x)
+
+    def pop(self) -> int:
+        if not self.out_stack:
+            while self.in_stack:
+                self.out_stack.append(self.in_stack.pop())
+        return self.out_stack.pop()
+
+    def peek(self) -> int:
+        if not self.out_stack:
+            while self.in_stack:
+                self.out_stack.append(self.in_stack.pop())
+        return self.out_stack[-1]
+
+    def empty(self) -> bool:
+        return len(self.in_stack) == 0 and len(self.out_stack) == 0
+
+myQueue = MyQueue()
+myQueue.push(1)
+myQueue.push(2)
+myQueue.peek() 
+myQueue.pop()
+myQueue.empty()

Problem_2.py

@@ -0,0 +1,51 @@
+class MyHashMap:
+
+    def __init__(self):
+        self.buckets = 1000
+        self.subbuckets = 1000
+        self.my_map = [None] * self.buckets
+
+    def _hash1(self, key):
+        return key % self.buckets
+
+    def _hash2(self, key):
+        return key // self.subbuckets
+
+    def put(self, key: int, value: int) -> None:
+        currentBucket = self._hash1(key)
+        if self.my_map[currentBucket] is None:
+            if currentBucket == 0:
+                self.my_map[currentBucket] = [-1] * (self.subbuckets + 1)
+            else:
+                self.my_map[currentBucket] = [-1] * (self.subbuckets)
+        currentSubBucket = self._hash2(key)
+        self.my_map[currentBucket][currentSubBucket] = value
+
+    def get(self, key: int) -> int:
+        currentBucket = self._hash1(key)
+        if self.my_map[currentBucket] is None:
+            return -1
+        else:
+            currentSubBucket = self._hash2(key)
+            if self.my_map[currentBucket][currentSubBucket] != -1:
+                return self.my_map[currentBucket][currentSubBucket]
+        return -1
+
+    def remove(self, key: int) -> None:
+        currentBucket = self._hash1(key)
+        if self.my_map[currentBucket] is None:
+            return
+        else:
+            currentSubBucket = self._hash2(key)
+            self.my_map[currentBucket][currentSubBucket] = -1
+
+
+myHashMap = MyHashMap();
+myHashMap.put(1, 1)
+myHashMap.put(2, 2)
+myHashMap.get(1)
+myHashMap.get(3)
+myHashMap.put(2, 1)
+myHashMap.get(2)
+myHashMap.remove(2)
+myHashMap.get(2)