Hello World! I'm talking about variables in Alice3.
I have the panda again,  and of course I'm going to add a comment with the programmer's name
and also a line in the comment that tells this is going to do.
The panda is going to turn.

For the amount the panda is going to turn I'm going to use a variable.
To start with I need to go back to procedures and select the panda.
I'm going to have the panda turn to the left some amount,  and if you recall .25 is going to be a quarter turn.
If we change this value,  let's change it to 4
 and run it panda is going to spin around and around.

Instead of using a constant value of 4, or some other value 
I'm going to use a variable and the name of the variable is going to be amountToTurn,
I'll type that in camelCase, a couple of capital T's there.
The type, since it's going to have decimal places, is double.
 and I'll give it an initial value of 2.
Say OK. Now instead of the 4, I'm going to pick the variable amountToTurn.
When we run it he spins around  2 full turns.

Next instead of having a constant value there,
We're going to ask the user "How much do you want the panda to turn?"
Or let the panda talk to you and say "How much do you want me to turn?"
So we go to functions
and we're going to getDoubleFromUser
 and drag that over in place if that 2.

Now the custom text string is going to be the prompt, or the message,
Which is "How much should I turn?"
Now when we run it the user can type in a value like .5
which makes the panda turn his back to you
Or the user could pick some number like nine and panda spins around and around.

That's it for now.