sub convert_string {
    #converts strings with variables inside to python format
    local ($line) = @_;
    if ($line =~ /[^\\]\"(.*[^\\])"/){
        $insideString = $1;
        if ($insideString =~ /\$/){
            #split by dollar sign
            @array = split ('\$', $insideString);
            @useful = ();
            foreach $elem (@array){
                # if ($elem !~ /^\s*$/){
                    push (@useful, $elem);
                # }
            }
            @finalsplit = ();
            #first part doesnt have $ as split
            $first_part = shift @useful;
            $first_part =~ s/\s*$//;
            push (@finalsplit, $first_part);
            foreach $elem (@useful){
                #add dollar sign to start of each elem
                $elem = '$'.$elem;
                push (@finalsplit, split (' ', $elem));
            }
            @variablestack = ();
            @returnStack = ();
            foreach $elem (@finalsplit){
                if ($elem =~ /\$/){
                    $elem =~ s/\$//;
                    push (@variablestack, $elem);
                    push (@returnStack, '{}');
                } else {
                    push (@returnStack, $elem);
                }
            }
            $source = '';
            foreach $elem (@variablestack){
                $source .= "$elem, ";
            }
            $source =~ s/,\s$//;
            $string = join(' ', @returnStack);
            $string =~ s/^\s*//;
            $string =~ s/\\n//g;
            $line = "'$string'.format($source)";
        }
    }
    return $line;
}