translation: Add Python and Java code for EN version (#1345)

* Add the intial translation of code of all the languages

* test

* revert

* Remove

* Add Python and Java code for EN version

en/codes/python/modules/vertex.py

@@ -0,0 +1,20 @@
+# File: vertex.py
+# Created Time: 2023-02-23
+# Author: krahets (krahets@163.com)
+
+
+class Vertex:
+    """Vertex class"""
+
+    def __init__(self, val: int):
+        self.val = val
+
+
+def vals_to_vets(vals: list[int]) -> list["Vertex"]:
+    """Input a list of values vals, return a list of vertices vets"""
+    return [Vertex(val) for val in vals]
+
+
+def vets_to_vals(vets: list["Vertex"]) -> list[int]:
+    """Input a list of vertices vets, return a list of values vals"""
+    return [vet.val for vet in vets]