main.py Load default template. 1 import csv 3 file = input () 4 frequency {} 6 with open(file, 'r') as csvfile: csvfile = csv.reader(csvfile) for row in csvfile: for word in row: if word not in frequency.keys (): frequency[word] = 1 10 11 12 13 14 15 16 17 for key in frequency.keys(): else: frequency[word] =frequency[word]+ 1 18 print (key + " " + str(frequency[key]))

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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I am having trouble coding this in python. In the attachment is my solution, but the output does not match the expected output. Instead of having the number 2 beside the words, they all have the number 1

Develop a program that first reads in the name of an input file and then reads the file using the csv.reader() method. The file contains a list of words separated by commas. Your program should output the words and their frequencies (the number of times each word appears in the file) without any duplicates.

Ex: If the input is:

input1.csv

and the contents of input1.csv are:

hello,cat,man,hey,dog,boy,Hello,man,cat,woman,dog,Cat,hey,boy

the output is:

hello 1                                                                                                          cat 2                                                                                                            man 2                                                                                                                hey 2                                                                                                              dog 2                                                                                                            boy 2                                                                                                                Hello 1                                                                                                          woman 1                                                                                                          Cat 1

main.py
Load default template.
1 import csv
3 file = input ()
4 frequency {}
6 with open(file, 'r') as csvfile:
csvfile = csv.reader(csvfile)
for row in csvfile:
for word in row:
if word not in frequency.keys ():
frequency[word] = 1
10
11
12
13
14
15
16
17 for key in frequency.keys():
else:
frequency[word] =frequency[word]+ 1
18
print (key + " " + str(frequency[key]))
Transcribed Image Text:main.py Load default template. 1 import csv 3 file = input () 4 frequency {} 6 with open(file, 'r') as csvfile: csvfile = csv.reader(csvfile) for row in csvfile: for word in row: if word not in frequency.keys (): frequency[word] = 1 10 11 12 13 14 15 16 17 for key in frequency.keys(): else: frequency[word] =frequency[word]+ 1 18 print (key + " " + str(frequency[key]))
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