Group By And Find The COUNT

Input collection: myTravelExpenses9

Date	Item	Value
1/1/2020	Hotel	1050
1/1/2020	Food	30
1/2/2020	Food	75
1/3/2020	Hotel	1300
1/3/2020	Food	50
1/4/2020	Flight	800

Output collection: mySolution9

Item	Count Value
Hotel	2
Food	3
Flight	1

Solution code:

//Create a collection
ClearCollect(myTravelExpenses9,
{Date: Date(2020,1,1), Item: "Hotel", Value: 1050},
{Date: Date(2020,1,1), Item: "Food", Value: 30 },
{Date: Date(2020,1,2), Item: "Food", Value: 75 },
{Date: Date(2020,1,3), Item: "Hotel",Value: 1300},
{Date: Date(2020,1,3), Item: "Food", Value: 50},
{Date: Date(2020,1,4), Item: "Flight", Value: 800}
);

//Group by and count code
ClearCollect(
    mySolution9,
    DropColumns(
        AddColumns(
            GroupBy(myTravelExpenses9,"Item","GroupedItems"),
        "Count Value",CountRows(GroupedItems)
        ),
    "GroupedItems"
    )
);