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We have a new block that's called the if/else
block. It's a conditional statement just like
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the if block you've used in the puzzles before.
But now there's a new part at the bottom that
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says else. The if/else block lets the bee
make a decision between two sets of actions.
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If the bee is at a flower, the bee will do
the set of actions you put in the first part
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where it says do. If the bee is not at a flower,
the bee will do the set of actions you put
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in the slot where it says else. If statements
are how computers are able to make decisions.
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Humans set up conditions for the computer
that say if the computer is presented with
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a certain situation do this. Else, which just
means otherwise, do that. The top of our if/else
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block says if at flower. But the top of our
block could say other things, like if nectar
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equals 2 or if there's a path ahead, our block
will behave in the same way. That if the statement
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at the top is true it will do the first set
of actions. But if the statement at the top
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is false, it will do the second set of actions.