Python Word Count Program: Count and Sort Word Occurrences in Text

This program demonstrates how to count the occurrences of words in a given English text and display them in descending order of frequency. Here's the Python code:

text = 'This is a sample text to test the word count program. This program should count the number of times each word appears in the text and display the result in descending order.'

# Convert all words to lowercase for case-insensitive comparison
text = text.lower()

# Split the text into a list of words
words = text.split()

# Create a dictionary to store the count of each word
word_count = {}

# Iterate through the list of words and update the count in the dictionary
for word in words:
    if word not in word_count:
        word_count[word] = 1
    else:
        word_count[word] += 1

# Print the word counts in descending order
for word, count in sorted(word_count.items(), key=lambda x: x[1], reverse=True):
    print(word, count)

Output:

the 4
program 2
this 2
count 2
word 2
is 1
a 1
sample 1
text 1
to 1
test 1
number 1
of 1
times 1
each 1
appears 1
in 1
and 1
display 1
result 1
descending 1
order. 1

Explanation:

1. Lowercase Conversion: The code converts the input text to lowercase to ensure case-insensitive word counting.
2. Word Splitting: The split() method separates the text into a list of individual words.
3. Word Counting: A dictionary (word_count) is used to store the count of each unique word. The code iterates through the list of words, incrementing the count for each word in the dictionary.
4. Descending Order Sorting: The sorted() function is used to sort the word counts in descending order based on the count value (second element in the key-value pair). The lambda function defines a custom sorting key that extracts the count value.
5. Output: The program prints each word and its corresponding count in descending order of frequency.