Nltk unique words

1. How do I count unique words in a text file in Python?
2. How many unique words are in Brown Corpus?
3. What is unique () in Python?
4. What does unique () return in Python?
5. How to find number of unique characters in a text file Python?
6. How do you create a unique string in Python?
7. Can Python generate random words?
8. How do you create a unique key in Python?
9. How do you make strings unique?
10. How do you print unique strings?

How do I count unique words in a text file in Python?

Split the file contents into words using the split() function. Create a dictionary for counting the number of occurrences of each word. Create a counter variable to count a number of unique words. Traverse the dictionary and increment the counter for every unique word.

How many unique words are in Brown Corpus?

There are 264 distinct words in the Brown Corpus having exactly three possible tags.

What is unique () in Python?

The unique() function is used to find the unique elements of an array. Returns the sorted unique elements of an array. There are three optional outputs in addition to the unique elements: the indices of the input array that give the unique values. the indices of the unique array that reconstruct the input array.

What does unique () return in Python?

unique() function finds the unique elements of an array and returns these unique elements as a sorted array. Apart from the unique elements, there are some optional outputs also, which are as follows: The output can be the indices of the input array which give the unique values.

How to find number of unique characters in a text file Python?

fh = open('my. txt','r'). read() unique_chars = set(fh) len(unique_chars) #for the length.

How do you create a unique string in Python?

In order to generate random strings in Python, we use the string and random modules. The string module contains Ascii string constants in various text cases, digits, etc. The random module on the other hand is used to generate pseudo-random values.

Can Python generate random words?

File handling in Python is really simple and easy to implement. In order to pull a random word or string from a text file, we will first open the file in read mode and then use the methods in Python's random module to pick a random word.

How do you create a unique key in Python?

most pythonic way to generate a URL safe unique key or token is to use secrets module. Use secrets. token_urlsafe it will return a secure random URL-safe text string. The secrets module uses synchronization methods to ensure that no two processes can obtain the same data at the same time.

How do you make strings unique?

unique(c(make. unique(A), B)) . In other words, you can append one string at a time to a vector, making it unique each time, and get the same result as applying make. unique to all of the strings at once.

How do you print unique strings?

Initialize an array, say isUniq[], to check if an array element is unique or not. Create a Trie having a root node, say root, to store the characters of each string present in the given array. Traverse the array using variable i and for every i^th element, check if arr[i] is present in the Trie or not.