diff --git a/Rev1/main.py b/Rev1/main.py
index bbfa36f..86c94b5 100644
--- a/Rev1/main.py
+++ b/Rev1/main.py
@@ -1,11 +1,70 @@
-# import os
-# import subprocess
+from logging import root
+import os
+import subprocess
+
+class DirectoryItem():
+    def __init__(self,rootDir,name) -> None:
+        self.name = name
+        self.path = os.path.join(rootDir,name)
+        self.itemList = []
+        sList = os.listdir(self.path)
+        for p in sList:
+            self.itemList.append(DirectoryItem(self.path,p))
+        pass
+    def print(self):
+        print(self.path)
+        for i in self.itemList:
+            i.print();
+    def getItem(self,i):
+        return self.itemList[i]
+
+class Firmware(DirectoryItem):
+    pass
+class SubModule(DirectoryItem):
+    pass
+
+class Project(DirectoryItem):
+    pass
+    # def __init__(self,rootDir,name) -> None:
+    #     self.name = name
+    #     self.path = os.path.join(rootDir,name)
+    #     self.itemList = []
+    #     sList = os.listdir(self.path)
+    #     for p in sList:
+    #         self.itemList.append(SubModule(self.path,p))
+    #     pass
+    # def print(self):
+    #     print(self.path)
+    #     for i in self.itemList:
+    #         i.print();
+
+class Projects(DirectoryItem):
+    # def __init__(self, rootDir) -> None:
+    #     self.itemList = []
+    #     self.path = rootDir
+    #     pList = os.listdir(self.path)
+    #     for p in pList:
+    #         self.itemList.append(Project(self.path,p))
+    #     pass
+    # def print(self):
+    #     print(self.path)
+    #     for i in self.itemList:
+    #         i.print();
+    #     pass
+    pass
+
+
+
+rootdir = './Projects'
+# projects = os.listdir(rootdir);
+# modules = [];
+# firmwares = [];
+# for project in projects:
+#     modules.append(os.listdir(os.path.join(rootdir,project)));
+
+
+# print(modules);
 
-# list_files = subprocess.run(["ls", "-l"])
-# # list_files2 = subprocess.run(["echo \"Hello World\" && echo \"Hello world 2\""])
-# list_files2 = subprocess.run(["echo Hello World && echo Hello World 2",""]);
-# print("The exit code was: %d" % list_files.returncode)
-# print("The exit code was: %d" % list_files2.returncode)
 
 
 # def test():
@@ -14,36 +73,12 @@
 #     print(projects);
 
 
-
-# def main():
-#     # test();
-#     # print("hello from main");
-#     pass;
-
-
-# if __name__ == "__main__":
-#     main();
+def main():
+    p = Projects(rootdir,"")
+    p.print()
+    pass;
 
 
+if __name__ == "__main__":
+    main();
 
-def gather_info():
-    height = float(input("What is your height? (inches or meters) "))
-    weight = float(input("What is your weight? (pounds or kilograms) "))
-    system = input("Are your measurements in metric or imperial systems? ").lower().strip()
-    return (height, weight, system)
-def calculate_bmi(weight, height, system='metric'):
-    if system == 'metric':
-        bmi = (weight / (height ** 2))
-    else:
-        bmi = 703 * (weight / (height ** 2))
-    return bmi
-while True:
-    height, weight, system = gather_info()
-    if system.startswith('i'):
-        bmi = calculate_bmi(weight, system='imperial', height=height)
-        print(f"Your BMI is {bmi}")
-    elif system.startswith('m'):
-        bmi = calculate_bmi(weight, height)
-        print(f"Your BMI is {bmi}")
-    else:
-        print("Error: Unknown measurement system. Please use imperial or metric.")
\ No newline at end of file