Update README.md

README.md

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 # Sort Array By Letter
 
+## Question
+
+[Sloth Bytes | 2024-07-30](https://slothbytes.beehiiv.com/p/oop-pillar-1-abstraction-dummies?utm_source=slothbytes.beehiiv.com&utm_medium=newsletter&utm_campaign=oop-pillar-1-abstraction-for-dummies)
+
+```
+Sort by the Letters
+Write a function that sorts each string in a list by the letter in alphabetic ascending order (a-z).
+
+Examples
+sort_by_letter(["932c", "832u32", "2344b"])
+output = ["2344b", "932c", "832u32"]
+
+sort_by_letter(["99a", "78b", "c2345", "11d"])
+output = ["99a", "78b", "c2345", "11d"]
+
+sort_by_letter(["572z", "5y5", "304q2"])
+output = ["304q2", "5y5", "572z"]
+
+sort_by_letter([])
+output = []
+
+#here's your starting point :)
+def sort_by_letter(arr):
+
+Notes
+- Each string will only have one (lowercase) letter.
+- If given an empty list, return an empty list.
+```
+
 ## Description
 
 This utility takes a user input of array string number and sort it by the letter of each element. The utility will then display the sorted array.