List.Repeat Function in Power Query
The List.Repeat function returns a list that results from repeating the specified number of times the given input list.
Syntax
List.Repeat(list as list, count as number) as list
Example: Repeat the list two times.
Power Query M
let Source = {"India", "America", "Canada", "Japan", "Australia", "England"}, RepeatedList = List.Repeat(Source,2) in RepeatedList
The output will be shown in the following image: