If a name has not been bound inside some accessible scope, how can it be dereferenced?

 

Given the two dictionaries 'x' and 'y', which of these codes would not create a final, merged dictionary 'z'? x = {'a':1, 'b': 2} y = {'b':10, 'c': 11} z = {'a': 1, 'c': 11, 'b': 10}

Select all incorrect statements regarding functions decorated with staticmethod and functions decorated with classmethod:

Which code samples will read arguments if the script is run from the command line?

Given a program that has different combinations of conditions, programming a custom function for each combined condition can produce an excessive number of functions. Instead, for conditions that should be jointly satisfied, several filters can be nested within each other. Which of the following statements does this correctly?

Read the following code: def approx(x): if hasattr(x,'__and__'): return x & ~0x0FL try: return (round(x.real,2)+round(x.imag,2)*1j) exception AttributeError: return round(x,2) Which of the following lines is incorrect in the above code?

Which statement will redirect the output of the print statement into a file-like object named 'test'?

Which exception is raised while using sys.exit()?

Best way to randomly select an item from list?

Output of the following code? def change_list(list1, list2): list1.append('four') list2 = ['and', 'we', 'can', 'not', 'lie'] outer_list1 = ['one', 'two', 'three'] outer_list2 = ['we', 'like', 'proper', 'English'] change_list(outer_list1, outer_list2) print outer_list1 print outer_list2

Which code snippet convert the hexademical number 0x1000 to a decimal correctly?