Welcome, guest | Sign In | My Account | Store | Cart
a = ['a', 'b', 'c', 'd']
b = ['c', 'x', 'g', 'h']
c = ['1', 'as', 'ci', 'v']
d = ['1', '2', '3', '4']

**print list(set().union(a, b, c, d))**

History