Confused as to indentifying parts of a loop

Last <- 0;
Current <-1;
while (Current < 100) do
(print the value assigned to Current;
Temp <- Last;
Last <- Current; and
Current <- Last + temp)

What is the body of the loop? Where is the initialization step? The Modification step? and the test step?
Whats is this?
That's what the book said?
Well I would say the body of the loop is from "while (Current < 100)" downwards. But its ahrd to answer those questions when there's no code to work with.
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