One effective method often used by programmers to comprehend the effect ofcode is 'tracing". Tracing is hand-executing the code in the same sequence and manner that the computer would execute the program. Often, the changes made to variables in the code are recorded in a trace table". Each row in the trace table records the values of the variables after a line of code has been hand-executed. For example, for the code holden 2 ford 13 mitsubishi 5 a completed trace table would be holden ford mitsubishi holden = 2 ford - 13 mitsubishi = 5 13 13 Your task is to trace execution ofthe following Python code digits= [1, 2, 3, 4] index = 0 answer- (digits [index] * 2-0) index -index 1 answe r = (index-digits [index]) index -index 1 answe r = (digits [index] 2-0) index-index1 answer- index-digits [index])