Word Frequency Program plan: • Declare a function named “wordfrequency()”. ○ Create an empty dictionary “wDictionary”. ○ Prompt the user for the input file and assign it to “infile”. ○ Open the file in read mode using a handle “fileRead”. ○ Use “for” to iterate the file and strip the lines using “strip()”. ○ Use another “for” loop to iterate the lines and split each line into words using “split”. ○ Use an “if” statement to check whether the word is present in the dictionary keys. When the statement returns true, add the word to the dictionary increment and increment its count; otherwise set its count to “1”. ○ Prompt the user for the output file and assign it to “outfile”. ○ Open the file in the write mode using a handle “fileWrite”. ○ Use a “for” loop to iterate the dictionary and write the word and its frequency to the output file and also print the same in the console. • In the “main()” function, ○ Call the function “wordfrequency()”. • Finally, call the “main()” to execute the program.

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Chapter 9, Problem 5PE

Program Plan Intro

Word Frequency

Program plan:

• Declare a function named “wordfrequency()”.

○ Create an empty dictionary “wDictionary”.

○ Prompt the user for the input file and assign it to “infile”.

○ Open the file in read mode using a handle “fileRead”.

○ Use “for” to iterate the file and strip the lines using “strip()”.

○ Use another “for” loop to iterate the lines and split each line into words using “split”.

○ Use an “if” statement to check whether the word is present in the dictionary keys. When the statement returns true, add the word to the dictionary increment and increment its count; otherwise set its count to “1”.

○ Prompt the user for the output file and assign it to “outfile”.

○ Open the file in the write mode using a handle “fileWrite”.

○ Use a “for” loop to iterate the dictionary and write the word and its frequency to the output file and also print the same in the console.

• In the “main()” function,

○ Call the function “wordfrequency()”.

• Finally, call the “main()” to execute the program.

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