Please fill in the python code, fill in the question marks.

def add_numbers(a, b):

return a + b

print add_numbers(1, 2)

>>> ?

lambda_add_numbers = lambda a, b: a + b

print lambda_add_numbers(1, 2)

>>> ?

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for i in range(10):

print Looping %d % i

>>>

...

filled_list = [a/2 for a in range(10)]

print filled_list

>>> ?

filled_dict = {a:a**2 for a in range(5)}

print filled_dict

>>> ?