0-alias 1-hello_you 100-decimal_to_hexadecimal 2-path 101-rot13 3-paths 102-odd 4-global_variables 103-water_and_stir 5-local_variables 10-love_exponent_breath 6-create_local_variable 11-binary_to_decimal 8-true_knowledge 12-combinations 9-divide_and_rule 13-print_float