Easily Switch Between Azure Subscriptions and Tenants

$SubscriptionId = "Your-Subscription-Guid"
if($(Get-AzureRmContext).Subscription.SubscriptionId -ne $SubscriptionId){
    Set-AzureRmContext -SubscriptionId $SubscriptionId -ErrorAction SilentlyContinue
    if($(Get-AzureRmContext).Subscription.SubscriptionId -ne $SubscriptionId){
        Clear-AzureRMContext -Scope CurrentUser -Force -ErrorAction SilentlyContinue
        Clear-AzureRmDefault -Force -ErrorAction SilentlyContinue
        $connect = Add-AzureRmAccount -SubscriptionId $SubscriptionId
    }
}