python sorting

sort method - sorts it in place

sorted function, which returns a new list

 x = [4,1,2,3]
y = sorted(x) # is [1,2,3,4], x is unchanged
x.sort() # now x is [1,2,3,4]

# sort the list by absolute value from largest to smallest
x = sorted([-4,1,-2,3], key=abs, reverse=True) # is [-4,3,-2,1]