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CodingBat code practice

 

interpret


Write a simple interpreter which understands "+", "-", and "*" operations. Apply the operations in order using command/arg pairs starting with the initial value of `value`. If you encounter an unknown command, return -1. interpret(1, ["+"], [1]) → 2 interpret(4, ["-"], [2]) → 2 interpret(1, ["+", "*"], [1, 3]) → 6


interpret(1, ['+'], [1]) → 2
interpret(4, ['-'], [2]) → 2
interpret(1, ['+', '*'], [1, 3]) → 6

...Save, Compile, Run (ctrl-enter)

def interpret(value, commands, args):

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Difficulty: 300

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