Position of Target Word (Problem 36) - InfyTQ Solution in Python

Position of Target Word (Problem 36)

InfyTQ Solution in Python

PROBLEM STATEMENT

[Massachusetts Institute of Technology 6.00 Final Spring 2011]

Part-1:
Write a python function which accepts a string of words and a target word, and returns the list of the positions of the target word in the string of words.

Sample Input	Expected Output
input String- we dont need no education we dont need no thought control no we dont target word- dont	[1, 6, 13 ]

Part-2:
Write a python function which accepts a string of words and returns a dict which contains the words in the input string as key and the list of positions of these words in the input string as value. Use the function written in part-1.

Sample Input	Expected Output
we dont need no education we dont need no thought control no we dont	{'no': [3, 8, 11], 'thought': [9], 'dont': [1, 6, 13], 'need': [2, 7], 'control': [10], 'we': [0, 5, 12], 'education': [4]}

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SOLUTION

#PF-Prac-36 # import re def find_target_positions(input_string, target_word): target_list=[] #Start writing your code here input_string=input_string.split(" ") count=0 for i in input_string: if i==target_word: target_list.append(count) count+=1 return target_list def find_inverted_index(input_string): target_dict={} #Start writing your code here input_string=input_string.split(" ") for i in input_string: target_dict[i]=find_target_positions(" ".join(input_string),i) return target_dict input_string="we dont need no education we dont need no thought control no we dont" print(find_target_positions(input_string,'dont')) result_dict=find_inverted_index(input_string) print(result_dict)

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