For example, suppose the word “robot" is found in lines 7, 18, 94, and 138. The dictionary would contain an element in which the key was the string “robot", and the value was a list containing the numbers 7, 18, 94, and 138. Once the dictionary is built, the program should create another text file, known as a word index, listing the contents of the dictionary. The word index file should contain an alpha- betical listing of the words that are stored as keys in the dictionary, along with the line numbers where the words appear in the original file. Figure 9-2 shows an example of an original text file (Kennedy.txt) and its index file (index.txt). Figure 9-2 Example of original file and index file Kennedy.txt- Notepad File Edit Format View Help We observe today not a victory of party but a celebration of freedom symbolizing an end as well as a beginning signifying renewal as well as change | index.bxt - Notepad File Edit Format View Help We: 1 a: 1 2 4 an: 3 as: 4 5 6 beginning: 4 but: 2 celebration: 2 change: 6 end: 3 freedom: 3 not: 1 observe: 1 Ln 12, Col of: 2 3 party: 2 renewal: 5 signifying: 5 symbolizing: 3 today: 1 victory: 1 well: 4 5
For example, suppose the word “robot" is found in lines 7, 18, 94, and 138. The dictionary would contain an element in which the key was the string “robot", and the value was a list containing the numbers 7, 18, 94, and 138. Once the dictionary is built, the program should create another text file, known as a word index, listing the contents of the dictionary. The word index file should contain an alpha- betical listing of the words that are stored as keys in the dictionary, along with the line numbers where the words appear in the original file. Figure 9-2 shows an example of an original text file (Kennedy.txt) and its index file (index.txt). Figure 9-2 Example of original file and index file Kennedy.txt- Notepad File Edit Format View Help We observe today not a victory of party but a celebration of freedom symbolizing an end as well as a beginning signifying renewal as well as change | index.bxt - Notepad File Edit Format View Help We: 1 a: 1 2 4 an: 3 as: 4 5 6 beginning: 4 but: 2 celebration: 2 change: 6 end: 3 freedom: 3 not: 1 observe: 1 Ln 12, Col of: 2 3 party: 2 renewal: 5 signifying: 5 symbolizing: 3 today: 1 victory: 1 well: 4 5
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question
Transcribed Image Text:10. Word Index
Write a program that reads the contents of a text file. The program should create a diction-
ary in which the key-value pairs are described as follows:
• Key. The keys are the individual words found in the file.
• Values. Each value is a list that contains the line numbers in the file where the word
(the key) is found.
Transcribed Image Text:For example, suppose the word “robot" is found in lines 7, 18, 94, and 138. The dictionary
would contain an element in which the key was the string “robot", and the value was a list
containing the numbers 7, 18, 94, and 138.
Once the dictionary is built, the program should create another text file, known as a word
index, listing the contents of the dictionary. The word index file should contain an alpha-
betical listing of the words that are stored as keys in the dictionary, along with the line
numbers where the words appear in the original file. Figure 9-2 shows an example of an
original text file (Kennedy.txt) and its index file (index.txt).
Figure 9-2 Example of original file and index file
O Kennedy.bxt - Notepad
O X
index.txt - Notepad
File Edit Format View Help
File Edit Format View Help
We: 1
We observe today not a victory
of party but a celebration
of freedom symbolizing an end
as well as a beginning
signifying renewal as well
as change
a: 1 2 4
an: 3
as: 4 5 6
beginning: 4
but: 2
celebration: 2
change: 6
end: 3
freedom: 3
Ln 12, Col
not: 1
observe: 1
of: 2 3
party: 2
renewal: 5
signifying: 5
symbolizing: 3
today: 1
victory: 1
well: 4 5
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