gs gs109 Argument Passing, Variables and Recursion - Python Argument Passing - Quiz No.2
gs gs109 Python Quiz
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Question 2: How are variable length arguments specified in the function heading?
one star followed by a valid identifier
one underscore followed by a valid identifier
two stars followed by a valid identifier
two underscores followed by a valid identifier
Question 4: What is the type of sys.argv?
set
list
tuple
string
Question 5: What is the value stored in sys.argv[0]?
null
you cannot access it
the program’s name
the first argument
Question 6: How are default arguments specified in the function heading?
identifier followed by an equal to sign and the default value
identifier followed by the default value within backticks (“)
identifier followed by the default value within square brackets ([])
identifier
Question 7: How are required arguments specified in the function heading?
identifier followed by an equal to sign and the default value
identifier followed by the default value within backticks (“)
identifier followed by the default value within square brackets ([])
identifier
Question 9: Where are the arguments received from the command line stored?
sys.argv
os.argv
argv
none of the mentioned
Question 10: What will be the output of the following Python code?
def foo(i, x=[]): x.append(x.append(i)) return x for i in range(3): y = foo(i) print(y)
[[[0]], [[[0]], [1]], [[[0]], [[[0]], [1]], [2]]]
[[0], [[0], 1], [[0], [[0], 1], 2]]
[0, None, 1, None, 2, None]
[[[0]], [[[0]], [1]], [[[0]], [[[0]], [1]], [2]]]
