What will be the output of the following Python code?
n = re.sub(r'\w+', 'Hello', 'Cats and dogs')
n = re.sub(r'\w+', 'Hello', 'Cats and dogs')A. Hello
Hello
Hello
B. ‘Hello Hello Hello’
C. [‘Hello’, ‘Hello’, ‘Hello’]
D. (‘Hello’, ‘Hello’, ‘Hello’)
Answer: Option B
This Question Belongs to Python Program >> Regular Expressions In Python
What is a regular expression in Python?
A. A sequence of characters that defines a search pattern
B. A built-in function
C. A mathematical expression
D. A special data type
What is the purpose of the re.compile() function in Python?
A. It compiles a regular expression pattern into a regular expression object
B. It converts strings to regular expressions
C. It defines a new class
D. It imports the re module
Which module in Python supports regular expressions?
A. re
B. regex
C. pyregex
D. none of the mentioned
How can you use regular expressions in Python?
A. By using the re module
B. By using the regex keyword
C. By including it as a string
D. By using the regx function
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