It depends at what step is a() is executed. If a() is run after invoking b=f(), then both a() and b() return 3 and in that case A,B and C are correct. But if a() is run before invoking b=f(), then a() returns 2 and b() returns 3 and in this case B and C are correct.
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rahulgcp87
1 month agoflthymcnsty
2 months, 1 week ago