Python string slicing is a concise way to extract parts of a string without loops, using start, end, and step values. You can also use negative indices to work from the end or reverse strings in one ...

When it comes to working with data in a tabular form, most people reach for a spreadsheet. That’s not a bad choice: Microsoft Excel and similar programs are familiar and loaded with functionality for ...

Python provides us with many tools for manipulating strings. We won’t introduce them all here, but instead we’ll demonstrate a few which we’ll use in programming exercises, and then introduce more as ...

It’s often the case that we want to divide a string into smaller parts like words or sentences. Of course, we can split a string into individual symbols using the ...

Counting single characters in a string is very useful. For instance calculating the GC content in a DNA sequence. Another example would be counting newline characters. The current code counts one ...

Practice with python string methods for cleaning a string. "You’ve been hired as a cashier in Thread Shed shop. which has an out-dated register system and stores all of the transaction information in ...