def main$()$:

first $=$ input$(\text{'}$apple:$\text{'}).$lower$()$

last $=$ input$(\text{'}$love:$\text{'}).$lower$()$

uname$=$first$[$:$1]+$last$[$:$3]+$str$($len$($last$))$

print$("$Your username is:$",$ uname$)$

main$()$

I am learning python and I keep getting 'apple' as a answer when I need to get

alov$4.$

What should I change to get the asnwer I want?