Hello! Can't figure it out - hope it's simple:

# I have some value (can be anything), e.g.:
x = 12
# I'd like it to become 1.

# If the value is negative (again, it can be anything), e.g.:
y = -12
# I'd like it to become -1.

How could I do it?
Thanks a lot!

-- 
Dimitri Liakhovitski

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