Add 3d objects

networks/geometry/Point3D.py

@@ -0,0 +1,17 @@
+from typing import Type
+
+
+class Point3D:
+    def __init__(self, x: int, y: int, z: int):
+        self.x = x
+        self.y = y
+        self.z = z
+
+    def copy(self):
+        return Point3D(self.x, self.y, self.z)
+
+    def coordinates(self):
+        return (self.x, self.y, self.z)
+
+    def __repr__(self):
+        return f"Point2D(x: {self.x}, y: {self.y}, z: {self.z})"