Python Coding challenge - Day 141 | What is the output of the following Python Code?

 

The above code defines a string variable my_string with the value "hello, world!" and then extracts a substring from index 2 to 6 (7 is exclusive) using slicing. Finally, it prints the extracted substring. Here's the breakdown:

my_string = "hello, world!"

substring = my_string[2:7]

print(substring)

Output:

llo, 

In Python, string indexing starts from 0, so my_string[2] is the third character, which is "l", and my_string[7] is the eighth character, which is the space after the comma. Therefore, the substring "llo, " is extracted and printed.