verilog code for vending machine for given document

Hi I undergarduate engineer student. I have no experience with VHDL 
electronics but can dance and play volleyball very good. I need 
implement fast furrier translation for stduent work until Tuesday. I 
have no idea. Please post code thank you sir.

module vending_machine;

task do_coffee;
  begin
    #(10 min);
  end
endtask

initial begin
  do_coffee;
end

event after_lunch;

always @(after_lunch) begin
  do_coffee;
end

endmodule


Hope this helps!!!