programming-challenges/challenges/consecutive-numbers

consecutive-numbers

Created by @Divlo on 28 June 2021.

Instructions

Write a function which takes a list of integers, and which returns the (possibly empty) list of pairs of successive consecutive integers that there may be in the list.

Input

7
1
2
5
3
4

Output

1, 2
3, 4

Examples

See the test folder for examples of input/output.