How to Read Multiple Lines of User Input in Python?

Reading Multiple Lines of Raw Input in Python

To read multiple lines of user input, utilize the iter(input, sentinel) function. It continuously reads and yields lines until the sentinel string is encountered, serving as the loop's termination condition. For instance:

sentinel = ''  # ends when this string is seen
for line in iter(input, sentinel):
    # Perform operations on each line

To obtain each line as a string, employ:

'\n'.join(iter(input, sentinel))

In Python 2, use:

'\n'.join(iter(raw_input, sentinel))

This approach continuously reads lines from the user and continues until the sentinel string is entered. Each line can then be individually processed or joined together to form a multiline input string.

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