start

function length$\_$conversion$()$

$$ disp$(\text{'}$Conversion type: $\text{'})$

$$ disp$(\text{'}1$ for Mile to Meter'$)$

$$ disp$(\text{'}2$ for Yard to Meter'$)$

$$ disp$(\text{'}3$ for Foot to Meter'$)$

$\%$Use input function for input data:

$\%$ C$\_$type $$L$\_$value

$\%$Write down your code:

$$