What will be the output of the following Python code?

class father:
    def __init__(self, param):
        self.o1 = param
 
class child(father):
    def __init__(self, param):
        self.o2 = param
 
>>>obj = child(22)
>>>print "%d %d" % (obj.o1, obj.o2)

A. "Hello, World!" B. 'Hello, World!' C. "Hello, World!' D. 'Hello, World!"

A. t B. h C. o D. y

A. Returns the length of the string B. Converts the string to lowercase C. Converts the string to uppercase D. Removes leading whitespace

A. . (period) B. , (comma) C. : (colon) D. [ and ] (square brackets)