CODEWITHSUNDEEP
python
Henry Crow
Henry Crow

Reputation: 23

python keeps returning typeerror: unhashable type: list

im not that good in programming, just doing it for fun and getting code samples online. so i decided i wanted to do the following:

  1. count total word number
  2. count 'whereby' words
  3. divide 'whereby' count on total word number

However, i keep getting 'unhashable type: 'list'. I assume that this is because I use frequency_list but I don't understand how do i go about that.

Error traceback: Traceback (most recent call last): File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\whereby.py", line 31, in print(int(frequency[words])/wordCount) TypeError: unhashable type: 'list'

import re
import string

frequency = {}
wherebyity = {}
document_text = open('C:/Users/user/desktop/text.txt', 'r')
text_string = document_text.read().lower()
match_pattern = re.findall('whereby', text_string)

for word in match_pattern:
    count = frequency.get(word, 0)
    frequency[word] = count + 1

frequency_list = frequency.keys()

for words in frequency_list:
    print (words, frequency[words])
    print (type(frequency))
    print (type(frequency[words]))
    print (frequency)

with open('C:/Users/user/desktop/text.txt', 'r') as f:
    p = f.read() # p contains contents of entire file
    # logic to compute word counts follows here...
    words = p.split()
    wordCount = len(words)
    print ("The total word count is:", wordCount)
    print (type(wordCount))


    print(int(frequency[words])/wordCount)

Upvotes: 0

Views: 760

Answers (1)

Ziyad Edher
Ziyad Edher

Reputation: 2150

In your words = p.split() line you are setting words to be a list object from splitting.

Your error is saying you cannot get the item at the index of words in frequency in your last line since lists cannot be hashed. You can read more about how Python dictionaries work and why hashing is a thing they use here.

I think you mean to put something else instead of words in your last line, maybe 'whereby'.

Upvotes: 1

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