Formative feedback

python/todo.py

@@ -3,19 +3,58 @@
 
 TASK_FILE = ".tasks.txt"
 
+
 def add_task(task):
-    """Function: add_task
-
-    Input - a task to add to the list
-    Return - nothing
-    """
+    #Open the file in append mode to add a new task to the end of the exisitng list
+    with open(TASK_FILE, "a", encoding="utf-8") as file:
+        #Write the task followed by a newline character so the task appears on a new line
+        file.write(task +"\n")
+        
 
+#Listing all tasks within the task file                
 def list_tasks():
-    return
+
+    with open(TASK_FILE, "r", encoding="utf-8") as file:
+        tasks = file.readlines()
+        counter = 1
+        output_string = ""
+        for task in tasks:
+            output_string = output_string + str(counter) + ". " +task
+            counter = counter + 1
+            #Code from Gemini
+            my_string = '1. Item 1\n2. Item 2\n3. Item 3\n4. Item 4\n5. Item 5\n'
+            modified_string = my_string[:-1]
+            print(modified_string)
+
+    return modified_string
 
 
 def remove_task(index):
-    return
+    """Function: remove_task
+
+   Input - a task to add to the list
+   Return - nothing
+   """
+       #Read all lines within the task file 
+with open(TASK_FILE, 'r', encoding='utf-8') as file:
+       lines = file.readlines()
+
+       #Check that the line to remove is valid
+       if 1 <= index <= len(lines):
+           lines.pop(index - 1)
+
+    #Update the list and add it back to the original file       
+with open(TASK_FILE, 'w', encoding='utf-8') as file:
+        file.writelines(lines)
+
+
+        print ('Task removed.')
+        else:
+        print('Invalid task number.')
+
+    return  
+
+
 
 def main():
     parser = argparse.ArgumentParser(description="Command-line Todo List")
@@ -42,7 +81,10 @@ def main():
         tasks = list_tasks()
         print(tasks)
     elif args.remove:
-        remove_task(int(args.remove))
+        try: remove_task(int(args.remove))
+        #Code from Gemini
+        except ValueError:
+            print("Error: Please provide a number for the task index to remove.")
     else:
         parser.print_help()