update solution readme

1. Inverted and Positional Indexing/Solution/readme → 1. Inverted and Positional Indexing/Solution/readme.md

@@ -1,22 +1,18 @@
-Author @ Shreyash Arya (2015097)
+### Files:
 
-Assignment 1: Information Retrieval (CSE508)
+Code: ```'inverted_index.py', 'positional_indexing.py'```
+Saved Dictionaries: ```'filename_mappings.pkl', 'file_to_index_mappings_with_stopwords_q3.pkl', 'index_to_file_mappings_with_stopwords_q3.pkl', 'inverted_index.pkl', 'phrasal_inverted_index_with_stopwords_q3.pkl'```
+Text files: ```'Analysis_ShreyashArya_2015097.pdf', 'readme'```
 
-Files:
-
-Code: 'inverted_index.py', 'positional_indexing.py'
-Saved Dictionaries: 'filename_mappings.pkl', 'file_to_index_mappings_with_stopwords_q3.pkl', 'index_to_file_mappings_with_stopwords_q3.pkl', 'inverted_index.pkl', 'phrasal_inverted_index_with_stopwords_q3.pkl'
-Text files: 'Analysis_ShreyashArya_2015097.pdf', 'readme'
-
-To run the program:
+### To run the program:
 
 * Keep all the dictionaries in the same folder as the code files.
 * Command: $ python 'code_file_name.py'
 
 For part 2, run the code file 'inverted_index.py' and options are provided to run specific queries.
 For part 3, run 'positional_indexing.py' and enter the phrase query (-1 to exit). 
 
-References:
+### References:
 
 https://nlp.stanford.edu/IR-book/html/htmledition/processing-boolean-queries-1.html
 https://www.geeksforgeeks.org/python-intersection-two-lists/