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@PythonPr Answer: D 9999
Solution: Observe that '9' is a string, not an int.
b is an int 4.
So,
a * b
is a multiplication of string and int.
Sounds strange, but this is just repetition of the string.
So, '9' * 4 is the string '9' repeated 4 times, ie,
9999
that's what gets printed.
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