project1.py

import pickle

# Function to create a new diary entry
def write_diary_entry():
    date_input = input("Enter the date of the diary entry (YYYY-MM-DD): ")
    time_input = input("Enter the time of the diary entry (HH:MM:SS): ")
    timestamp = f"{date_input}_{time_input}"
    entry = input("Write your diary entry:\n")
    filename = f"diary_{timestamp}.dat"
    
    with open(filename, 'wb') as file:
        pickle.dump(entry, file)
    
    print(f"Diary entry saved to {filename}\n")

# Function to display all diary entries
def display_diary_entries():
    files = [file for file in os.listdir('.') if file.startswith("diary_") and file.endswith(".dat")]
    
    if not files:
        print("No diary entries found.")
    else:
        for file in files:
            with open(file, 'rb') as f:
                entry = pickle.load(f)
                timestamp = file.replace("diary_", "").replace(".dat", "")
                print(f"--- Entry from {timestamp} ---\n{entry}\n")

# Main program loop
def main():
    while True:
        print("1. Write a new diary entry")
        print("2. Display all diary entries")
        print("3. Exit")
        
        choice = input("Enter your choice (1-3): ")
        
        if choice == '1':
            write_diary_entry()
        elif choice == '2':
            display_diary_entries()
        elif choice == '3':
            print("Exiting program. Goodbye!")
            break
        else:
            print("Invalid choice. Please enter a number from 1 to 3.")

if _name_ == "_main_":
    main()