A
Andrew
please explain this behavior to a newb:
a = [1,2,3,4]
b = ["a","b","c","d"]
a [1, 2, 3, 4]
b ['a', 'b', 'c', 'd']
a[0:2] [1, 2]
a [1, 2, 3, 4]
b[2:4] ['c', 'd']
a[0:2] = b[0:2]
b[2:4] = a[2:4]
a ['a', 'b', 3, 4]
b ['a', 'b', 3, 4]