Write a program to write a length conversion chart to a file. It will print lengths in feet from $1$ to an integer specified by the user in one column, and the corresponding length in meters $(1$ foot$=0\mathrm{.}3048$m$)$ in a second column. The main script will call one function that prompts the user for the maximum length in feet; this function must error$-$check to make sure that the user enters a valid positive integer. The script then calls a function to write the lengths to a file