How to design a simple diary using python

Creating a diary in Python is as simple as you may think. What you need is the mastery command to control the input of the codes required and their functions. If you are a Pro and yet have no idea how to build a diary, follow the given steps. Meanwhile, for beginners, this is your corner.

To design a simple diary application in Python, we can follow these steps:

1. You would need to start by creating a Python script.

2. Make sure to create a class named Diary to handle all diary-related functionalities.

3. In the Diary class, create an empty dictionary to store entries. Each entry will be associated with a date, and each date will be associated with an entry.

4. Ensure to add a method named create_entry to create a new diary entry. This method should accept two parameters: date and entry.

5. Make sure you add a method named view_entry to view a specific diary entry based on the provided date.

6. Proceed by adding a method named view_all_entries to view all the diary entries.

7. Finally, add the necessary code to handle user input and call the appropriate methods from the Diary class.

Below is a simple implementation of the above approach:

class Diary:
def __init__(self):
self.entries = {}

def create_entry(self, date, entry):
self.entries[date] = entry

def view_entry(self, date):
if date in self.entries:
print(self.entries[date])
else:
print(“No entry found for this date.”)

def view_all_entries(self):
for date, entry in self.entries.items():
print(f”{date}: {entry}”)

def main():
diary = Diary()

while True:
print(“\n1. Create entry”)
print(“2. View entry”)
print(“3. View all entries”)
print(“4. Exit”)

choice = input(“Enter your choice: “)

if choice == “1”:
date = input(“Enter the date (DD-MM-YYYY): “)
entry = input(“Enter the diary entry: “)
diary.create_entry(date, entry)
elif choice == “2”:
date = input(“Enter the date (DD-MM-YYYY): “)
diary.view_entry(date)
elif choice == “3”:
diary.view_all_entries()
elif choice == “4”:
break
else:
print(“Invalid choice. Please try again.”)

if __name__ == “__main__”:
main()

However, to run the application, simply execute the script from your command prompt or terminal. You will be presented with a menu where you can create entries, view entries, view all entries, or exit the application.

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