Help!

Maybe you already know the name of a Python function, but you still have to figure out how to use it. Ironically, you have to ask for information about a function with another function: help(). In IPython specifically, you can also use ? before the function name.

To get help on the max() function, for example, you can use one of these calls:

help(max)
?max

Use the Shell on the right to open up the documentation on complex(). Which of the following statements is true?

Possible Answers

complex() takes exactly two arguments: real and [, imag].
complex() takes two arguments: real and imag. Both these arguments are required.
complex() takes two arguments: real and imag. real is a required argument, imag is an optional argument.
complex() takes two arguments: real and imag. If you don't specify imag, it is set to 1 by Python.

Take Hint (-15 XP)

Exercise

Help!

Instructions

Possible Answers