Added a 'clear screen' command in CLI IMGIITRoorkee#43

README.md

@@ -105,6 +105,7 @@ Visit the **python** channel and ping `2Y` for assistance.
     - `4`: Load an existing password file.  
     - `5`: Add a new password to the file.  
     - `6`: Retrieve a password from the file.  
+    - `c`: Clear the CLI
     - `q`: Quit the application.  
 
 ---

main.py

@@ -1,3 +1,4 @@
+import os #will allow user to interact with the operating system
 from manager import PasswordManager
 import pyperclip
 import sys
@@ -39,7 +40,8 @@ def validate_key_loaded(pm : PasswordManager):
         print("Key not loaded. Please load a key first.")
         return False
     return True
-
+def clear_screen(): #Defining the clear screen function to clear the CLI.
+    os.system('cls' if os.name == 'nt' else 'clear') #'cls' is used to clear the terminal screen in windows, for Linux, MacOS etc. 'clear' is used
 def main():
     password = {
         "gmail": "password1",
@@ -49,16 +51,19 @@ def main():
 
     pm = PasswordManager()
 
-    print("""What would you like to do?
+    menu = """What would you like to do?
           1. Create a new key
           2. Load an existing key
           3. Create a new password file
           4. Load an existing password file
           5. Add a password
           6. Get a password
           7. List all sites
+          c. Clear Screen
           q. Quit
-          """)
+          """
+
+    print(menu)
 
     done = False
     while not done:
@@ -104,6 +109,10 @@ def main():
             print("Saved Sites:")
             for site in pm.password_dict:
                 print(site)
+        elif choice == 'c': #CHECK CONDITION AND CLEAR THE CLI
+            clear_screen()
+            print(menu)
+            print("Cleared the screen.")
         elif choice == 'q':
             done = True
             print("Goodbye!")