OCR Python Assignment Tasks

Task 1 : Compressing text

Develop a program that analyses a sentence that contains several words without punctuation. When a word in that sentence is input, the program identifies all of the positions where the word occurs in the sentence. The system should not be case sensitive: Ask, ask, ASK should be treated as the same word.

For example, in the sentence

"ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU ASK WHAT YOU CAN DO FOR YOUR COUNTRY"

The word ‘COUNTRY’ occurs in the 5th and 17th positions.

Analyze the requirements for this system and design, develop, test and evaluate a program to locate and return the position(s) of the word you have selected in a particular sentence or return an error message if the word is not in the sentence.

Task01 Description:

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Task 2 : Identifying Indivisual words in a sentence

Develop a program that identifies individual words in a sentence, stores these in a list and replaces each word in the original sentence with the position of that word in the list.
For example, the sentence

"ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU ASK WHAT YOU CAN DO FOR YOUR COUNTRY"
contains the words ASK, NOT, WHAT, YOUR, COUNTRY, CAN, DO, FOR, YOU
The sentence can be recreated from the positions of these words in this list using the sequence
1,2,3,4,5,6,7,8,9,1,3,9,6,7,8,4,5

Save the list of words and the positions of these words in the sentence as separate files or as a single file.
Analyse the requirements for this system and design, develop, test and evaluate a program to:
• identify the individual words in a sentence and store them in a list
• create a list of positions for words in that list
• save these lists as a single file or as separate files.


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Task 3 : Compress The Text File With Several Sentences

Develop a program that builds upon the technique from Task 2 to compress a text file with several sentences, including punctuation. The program should be able to compress a file into a list of words and list of positions to recreate the original file. It should also be able to take a compressed file and recreate the full text, including punctuation and capitalisation, of the original file.

Analyse the requirements for this system and design, develop, test and evaluate a program to compress a text file and reproduce the original text from a compressed file. You will need to create a text file with more than one sentence to test your system.

Requirements: Develop a program that builds upon the technique from Task 2 to compress a text file with several sentences, including punctuation. The program should be able to compress a file into a list of words and list of positions to recreate the original file. It should also be able to take a compressed file and recreate the full text, including punctuation and capitalization, of the original file.

Steps to develop above program:

Please contact me at immukesh72@gmail.com for further assistance on such kind of assignments