A method for Python programming on a handheld device is provided that includes activating, by a Python program editor executing on the handheld device and responsive to programmer input, a first argument helper for a first parameter of a Python function, wherein the first argument helper includes first valid argument values for the first parameter, receiving, by the Python program editor, programmer selection of a first valid argument value of the first valid argument values, and displaying, by the Python program editor, the Python function with the first valid argument value in an editor screen.