Various email and news clients store messages in a variety of formats, many providing hierarchical and structured folders. Which of the following provides a uniform API for reading the messages stored in all the most popular folder formats?

Which is the main features of Python?

Which variable store parameter passed from outside?

Which function can change the maximum level of recursion?

Which is the correct prototype of the string.find() function?

It is possible to use encoding other than ASCII in Python source files. The best way to do it is to put one more special comment line right after the #! line to define the source file encoding. Which of the following is the correct statement to define encoding?

In the following code, what will be printed ? class parent: def __init__(self, param): self.v1 = param class child(parent): def __init__(self, param): self.v2 = param obj = child(5) print '%d %d' % (obj.v1, obj.v2)

Which statement would create an instance of Firm class correctly?

Check whether an object x is an instance of class A, use _____.?

Consider the code, and choose the correct statement: class A: def __init__(self, i = 0): self.i = i class B(A): def __init__(self, j = 0): self.j = j def main(): b = B() print(b.i) print(b.j) main()

Which of the following statements are true?