Added my name in contributors.md and completed Improve error handling…

contributors.md

@@ -0,0 +1,2 @@
+
+Aditya Sharma

manager.py

@@ -25,17 +25,24 @@ def create_password_file(self, path, initial_values=None):
 
     def load_password_file(self, path):
         self.password_file = path
-        with open(path, 'r') as f:
-            for line in f:
-                site, encrypted = line.split(":")
-                self.password_dict[site] = Fernet(self.key).decrypt(encrypted.encode()).decode()
+        try:
+            with open(path, 'r') as f:
+                for line in f:
+                    site, encrypted = line.split(":")
+                    self.password_dict[site] = Fernet(self.key).decrypt(encrypted.encode()).decode()
+        except:
+            print("Sorry, But looks like there is no file")
 
     def add_password(self, site, password):
         self.password_dict[site] = password
         if self.password_file is not None:
             with open(self.password_file, 'a+') as f:
-                encrypted = Fernet(self.key).encrypt(password.encode()).decode()
-                f.write(f"{site}:{encrypted}\n")
+                files = f.read()
+                if len(files)<8:
+                    print("Password muust be of minimum 8 characters.")
+                else:
+                    encrypted = Fernet(self.key).encrypt(password.encode()).decode()
+                    f.write(f"{site}:{encrypted}\n")
 
     def get_password(self, site):
         return self.password_dict.get(site, "Password not found.")