Given age$1,$ age$2,$ and age$3$ read from input, compute the average and assign avg$\_$age with the result.

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age$1$ input $())$

age$2$ input$())$

age$3$ input$())$

l$"\text{'}$ Your solution goes here

print$($f$\text{'}$Average age: $\{$avg$\_$age: $\{$:$\mathrm{.}2f{\}}^{\text{'}}$