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queue.py

@@ -0,0 +1,43 @@
+class MyQueue:
+
+    def __init__(self):
+        self.array = []
+        self.head = 0
+        self.i = 0
+
+    def push(self, x: int) -> None:
+        """
+        Push element x to the back of queue.
+        """
+        self.array.append(x)
+
+    def pop(self) -> int:
+        """
+        Removes the element from in front of queue and returns that element.
+        """
+        if len(self.array) > 0:
+            a = self.array[0]
+            self.array.pop(0)
+
+            return a
+
+    def peek(self) -> int:
+        """
+        Get the front element.
+        """
+        return self.array[0]
+
+    def empty(self) -> bool:
+        """
+        Returns whether the queue is empty.
+        """
+
+        return self.array == []
+
+
+# Your MyQueue object will be instantiated and called as such:
+# obj = MyQueue()
+# obj.push(x)
+# param_2 = obj.pop()
+# param_3 = obj.peek()
+# param_4 = obj.empty()