refactore the code

I've created multiple functions to give the code a better structure

borg_interface.py

@@ -1,37 +1,80 @@
 #!/usr/bin/env python3
 import os
-import sys
 import configparser
 import subprocess
 
 chosen_activity = None
 mount_point = None
 
-# setup the config parser
-config = configparser.ConfigParser()
+def list_archives():
+    os.system('borg list | less')
 
-# read config file
-config.read('borg_interface.cfg')
+def show_info():
+    archive_name = input("Please enter the archive name: ")
+    os.system('clear')
+    os.system('borg info ::' + archive_name)
+    print()
+    input("Press a key to continue.")
 
-# assign the repository variable
-if 'server' in config:
-    repository = (config['DEFAULT']['user']
-                 + "@"
-                 + config['DEFAULT']['server']
-                 + ":"
-                 + config['DEFAULT']['repository_path'])
-else:
-    repository = config['DEFAULT']['repository_path']
+def mount_archive():
+    global mount_point
+    archive_name = input("Please enter the archive name: ")
+    mount_point = "/tmp/" + archive_name
+    if not os.path.exists(mount_point):
+            os.makedirs(mount_point)
+    os.system('borg mount  ::' + archive_name + " " + mount_point)
+    print()
+    print("Archive mounted at " + mount_point + "/")
+    print()
 
-# assign the password variable
-password = config['DEFAULT']['password']
+def restore_archive():
+    archive_name = input("Please enter the archive name: ")
+    restore_path = input("Please enter the path where you want to "
+                         "restore to: ")
+    if not os.path.exists(restore_path):
+        os.makedirs(restore_path)
+    p = subprocess.Popen(['borg', 'extract', '::' + archive_name]
+        ,cwd=restore_path)
+    p.wait()
+    print()
+    print("Archive extracted to " + restore_path)
+    print()
 
-# set the environment variables
-os.environ['BORG_REPO'] = repository
-os.environ['BORG_PASSPHRASE'] = password
+def configuration():
+    # setup the config parser
+    config = configparser.ConfigParser()
+    # read config file
+    config.read('borg_interface.cfg')
+    # assign the repository variable
+    if 'server' in config:
+        repository = (config['DEFAULT']['user']
+                     + "@"
+                     + config['DEFAULT']['server']
+                     + ":"
+                     + config['DEFAULT']['repository_path'])
+    else:
+        repository = config['DEFAULT']['repository_path']
+    # assign the password variable
+    password = config['DEFAULT']['password']
+    # set the environment variables
+    os.environ['BORG_REPO'] = repository
+    os.environ['BORG_PASSPHRASE'] = password
+
+def exit():
+    global mount_point
+    if (not mount_point):
+        print()
+    else:
+        print()
+        print("Unmount Archive and remove folder.")
+        print()
+        os.system('fusermount -u' + " " + mount_point)
+        os.rmdir(mount_point)
 
 # The main menu starts there
+configuration()
 while chosen_activity != 0:
+    os.system('clear')
     print("What would you like to do?")
     # Start the chosen activity and go back to the activity selector.
     print("1: List Backups, 2: Show archive details, 3: Mount Archive, "
@@ -41,42 +84,17 @@ while chosen_activity != 0:
         if chosen_activity == 1:
             # prints all the archives in the repository and lists them with
             # less
-            os.system('borg list | less')
+            list_archives()
         if chosen_activity == 2:
             # Displays all the information related to the archive name the user 
             # enters
-            archive_name = input("Please enter the archive name: ")
-            os.system('borg info ::' + archive_name)
+            show_info()
         if chosen_activity == 3:
             # mounts a chosen archive to /tmp/archive name
-            archive_name = input("Please enter the archive name: ")
-            mount_point = "/tmp/" + archive_name
-            if not os.path.exists(mount_point):
-                    os.makedirs(mount_point)
-            os.system('borg mount  ::' + archive_name + " " + mount_point)
-            print()
-            print("Archive mounted at " + mount_point + "/")
-            print()
+            mount_archive()
         if chosen_activity == 4:
-            archive_name = input("Please enter the archive name: ")
-            restore_path = input("Please enter the path where you want to "
-                                 "restore to: ")
-            if not os.path.exists(restore_path):
-                os.makedirs(restore_path)
-            p = subprocess.Popen(['borg', 'extract', '::' + archive_name]
-                ,cwd=restore_path)
-            p.wait()
-            print()
-            print("Archive extracted to " + restore_path)
-            print()
+           restore_archive()
         elif chosen_activity == 0:
-            if (not mount_point):
-                print()
-            else:
-                print()
-                print("Unmount Archive and remove folder.")
-                print()
-                os.system('fusermount -u' + " " + mount_point)
-                os.rmdir(mount_point)
+           exit()
     except ValueError:
         print("Please enter a full number.")