Task: Program Execution
Input (English): P, 4, p, 4, 4, 9
Output (English): [['P', '4', 'p', '4', '4'], ['P', '4', 'p', '4', '9'], ['P', '4', 'p', '4', '9'], ['P', '4', '4', '4', '9'], ['P', 'p', '4', '4', '9'], ['4', 'p', '4', '4', '9']]