Write a script that takes a sentence from the user and returns:

• the number of lower case letters
• the number of uppercase letters
• the number of punctuations characters
• the total number of characters

Use a dictionary to store the count of each of the above.

Note: ignore all spaces.

Example input:

I love to work with dictionaries!

Example output:

Upper case: 1
Lower case: 26
Punctuation: 1
Total chars: 28