CREATE A MENU DRIVEN PYTHON PROGRAM WITH A DICTIONARY FOR WORDS AND THEIR MEANINGS IN TAMIL #python

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In this video, I’ll show you

AIM:
Program is to provide an interactive dictionary-like experience to the user. It allows the user to look up the meanings of words, add new words and their meanings to the dictionary, and exit the program when desired.
ALGORITHM:
1. Initialize an empty dictionary called word_meanings to store words and their meanings.
2. Define the display_menu() function to show the user the available options:
a. Look up a word
b. Add a new word and its meaning
c. Exit
3. Define the look_up_word() function to:
a. Prompt the user to enter a word.
b. Check if the entered word exists in the word_meanings dictionary:
a. If it exists, display the meaning of the word.
b. If it doesn't exist, inform the user that the word is not found in the dictionary.
4. Define the add_new_word() function to:
a. Prompt the user to enter a new word and its meaning.
b. Add the new word and its meaning to the word_meanings dictionary.
5. Implement a main program loop that runs indefinitely:
a. Display the menu options using the display_menu() function.
b. Prompt the user to enter their choice.
c. Based on the user's choice:
a. If the choice is "Look up a word," call the look_up_word() function.
b. If the choice is "Add a new word and its meaning," call the add_new_word() function.
c. If the choice is "Exit," break out of the loop.
d. If the choice is invalid, inform the user.
6. When the user chooses to exit the program, display a message indicating the program is exiting, and break out of the main loop.

EXPLAINATION:
print(f"Meaning of '{word}': {word_meanings[word]}")
In this line, the f-string is used to format the output string. The curly braces {} are used to insert variables or expressions into the string. In this case, {word} is replaced with the value of the word variable (the word the user wants to look up), and {word_meanings[word]} is replaced with the corresponding meaning from the word_meanings dictionary.

The f-string is a convenient way to create formatted strings by embedding expressions directly within them. The "f" at the beginning of the string indicates that it's an f-string, and the expressions inside curly braces are evaluated and replaced with their corresponding values when the string is formatted.

For example, if the user enters the word "apple" and the meaning of "apple" is "a fruit," the f-string would be formatted as:
Meaning of 'apple': a fruit
This provides a clear and readable output to the user, showing both the word and its meaning.


Enjoy!


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