How Can I Efficiently Capture Multiline Raw Input in Python?

Multiline Raw Input in Python

Python offers multiple options for capturing multiline raw input from users. Here are two efficient methods:

Input() with Sentinel Value

In Python 3, input() can be used with a sentinel value to terminate input when a specific string is encountered. Here's an example:

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

Joint Iteration

To obtain each line as a string, concatenate the lines using a newline character as a separator:

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

Iter(raw_input) in Python 2

For Python 2, use iter(raw_input) instead of iter(input) with the sentinel value method:

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

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