Which of the following is not a method for creating strings in Python?

Creating strings in Python can be accomplished in several ways, each suited for different needs. The options that involve using both single quotes and double quotes are standard methods for defining string literals. Whether you wrap characters in single or double quotes, Python treats them equivalently, allowing flexibility for string creation.

The join() method is a string method that combines elements from an iterable (like a list or a tuple) into a single string, using the string it's called on as a separator. For example, if you use ",".join(['a', 'b', 'c']), it produces the string "a,b,c". This method is indeed a valid approach to create strings from lists of characters or strings.

In contrast, the array() method is not a built-in method for creating strings in Python. The array() function typically relates to creating an array of numeric data, which is part of the array module in Python, but it does not create strings. Therefore, this option is not regarded as a method for string creation, making it the correct choice for this question.