Python3 best way to read unknown multi line input

Title: Efficient Multi-Line Input Reading in Python 3: A Comprehensive Tutorial
Introduction:
Reading multi-line input in Python can be a common requirement in various scenarios, such as processing user input, reading data from a file, or handling multiline strings. In this tutorial, we'll explore the best practices for efficiently reading unknown multi-line input in Python 3, along with code examples to illustrate each method.
Method 3: Reading from a File
Method 4: Using io.StringIO for String Manipulation
Conclusion:
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