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slice

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Copy List Using [:] In Python

The empty slice operator [:] in Python is a powerful and concise way of copying a list. It is shorthand syntax allowing you to create a new list that contains all the elements of the existing list where the operator is used. This operator is represented by one colon wrapped in square brackets [:] with no values or spaces inside. While the empty slice operator may seem like a simple…

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What Does [:] Mean In Python? Code Examples

The slice operator enables you to capture a subset of data from an original list or string using the format [start:stop:step] . Some popular use cases where I have used the slice operator include: Extracting year and/or month and/or day of the month from a string Extracting the zip code at the tail end of an address string Masking bank account or credit card numbers Extracting area code from phone…

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