changes Spieler_in to pianist

rep_cli.py

@@ -14,7 +14,7 @@ class Session:
     def get_active_user(self):
         sql_command = f'''
                       SELECT first_name, Nachname
-                      FROM Spieler_in
+                      FROM pianist
                       WHERE id = {self.user}
                       '''
         active_user = ''
@@ -46,14 +46,14 @@ class Session:
     
     def create_new_user(self, first_name, name):
         sql_command = f'''
-                      INSERT INTO Spieler_in (first_name, Nachname)
+                      INSERT INTO pianist (first_name, Nachname)
                       VALUES ("{first_name}", "{name}");
                       '''
         self.db_agent.execute(sql_command)
 
     def show_users(self):
         sql_command = '''
-                      SELECT * FROM Spieler_in;
+                      SELECT * FROM pianist;
                       '''
         result_list = self.db_agent.execute(sql_command).fetchall()
         fun_resultstring = ''