*************** 
sub BuildLeaf 
{
    my ($hostname, $lo_add, $ospf_process, $ospf_area, $bgp_as, $bgp_pass, @VRF_names, @spines_ip) = @_; 
    #$ do a whole bunch of stuff here ## 
}
 
BuildLeaf ($leaf_info[0][[$i]],$leaf_info[[1]][[$i]],"Underlay",$ospf_area,$bgp_as,$bgp_MD5_pass,@{@vrf_info[0]},@{@spine_info[[1]]});
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