Use list comprehension, nested for-loops, string's join function and casting function str()), create a list of all 4-bit binary patterns like this: ['0000' '0001', 0010', '0011', 0100', 0101', 0110', '0111', '1000', '1001', '1010', '1011', '1100', '1101', '1110', '1111'] Your code should look like this: [_join() for for for for ] Fill your code at the position and write your complete code below