Which of the following are correct ways to test if a key exists in a dictionary?

What is the correct syntax that will set the variable 'var1' to the value 'correct' if variable 'a' is greater than 1?

While running an application, a user pressed the interrupt key (Ctrl + C). Which of the following exceptions will occur?

Consider the following code: myString = ' Hello! ' Which of the following choices will remove the spaces at the beginning and end of myString?

Which module can be used for profiling Python code?

Correct way to delete a directory that is not empty using Python?

Which is the correct way to execute a program from inside Python without having to consider how the arguments/quotes are formatted?

Output of the following code? def foo(param1, *param2): print param1 print param2 def bar(param1, **param2): print param1 print param2 foo(1,2,3,4,5) bar(1,a=2,b=3)

Correct way to call the private method, myPrivateMethod(), in class MyClass, using dir(obj)? class MyClass: def __myPrivateMethod(self): print dir(obj)

What is a metaclass in Python?