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the random function gives you a number between 0.0 and 1.0 . im trying to get a random number between -0.5 and 0.5. i asked someone for help and they told me to go off of this:

[0, 1) + .1

this changes the range to [1, 2) and i tried numerous ways to modify this to get the range im looking for and i've just been tearing my hair out. any type of help, thank you!