python
str1 = "Hello"
str2 = "World"
python
text = "Python is a powerful programming language"
python
text = "Python is easy to learn"
python
text = "Python is a popular programming language"
python
import nltk
from nltk.tokenize import word_tokenize
from nltk.corpus import stopwords
def preprocess_text(text):
return cleaned_text
def extract_features(text):
features = {}
for word in text.split():
features[word] = True
return features
text = "Python is a powerful programming language. It is widely used for data analysis and machine learning."
cleaned_text = preprocess_text(text)
features = extract_features(cleaned_text)
print(features)