lua - Err using coroutine -

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i'm not sure if misunderstood use of coroutine, here code: 

talk = coroutine.create(function () print("i speaking within 60 seconds") end)  time = coroutine.create(function () if coroutine.status(talk) == running = 60, 0, -1 print(i) end sleep(1) else coroutine.resume(talk) end  end) coroutine.resume(time)

all print speaking within 60 seconds, expecting within countdown. how fix this?

talk = coroutine.create(function () print("i speaking within 60 seconds") coroutine.resume(time) end)  time = coroutine.create(function () = 60, 0, -1 print(i) coroutine.resume(talk) end  end)  coroutine.resume(time)

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