What will be the output of the following Python code snippet?
print(‘xyyxyyxyxyxxy’.replace(‘xy’, ’12’, 0))
a) xyyxyyxyxyxxy
b) 12y12y1212x12
c) 12yxyyxyxyxxy
d) xyyxyyxyxyx12
Answer: a
Explanation: The first 0 occurrences of the given substring are replaced.
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