Create list of distribution groups with incremental numbers

I'm looking to find a way to create distribution groups in Exchange Powershell and each group will end with a number up until 50.

The base group name will be "TestGroup" followed by 001, 002, 003 and so on until 050.
How could you do it in powershell to create the distribution group automatically with the numbering, without having to pre-type it out and import as a text/csv?    

New-DistributionGroup -Name "TestGroup001" -OrganizationalUnit "contoso.com/Users" -SamAccountName "TestGroup001" -Type "Distribution"

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garryshapeAsked:
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MlandaTCommented:
You can just use the While loop.. something like:
$i = 1
While ($i -le 50) {$g = "TestGroup{0:000}" -f $i; New-DistributionGroup -Name $g -OrganizationalUnit "contoso.com/Users" -SamAccountName $g -Type "Distribution"; $i +=1}

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Will SzymkowskiSenior Solution ArchitectCommented:
What you could do for this is have a CSV file with all of your names and use the following script...

CSV should have the Column Name
Name
TestGroup
TestGroup001
TestGroup002
etc....

$Import = import-csv "c:\filename.csv"
ForEach ($DG in $Import) 
        {

        $DG.Name

            New-DistributionGroup  -Name $DG.Name -SamAccountName $DG.Name 

}

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Will.
garryshapeAuthor Commented:
MLanda thanks what is the {0:000} is that an operator? ?
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