Question

Which of the following declarations is incorrect?
1 point
_x = 2
__x = 3
__xyz__ = 5
None of these​

Answer 1

Answer:

C. Xyz=5 is incorrect

Explanation:

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Answer 2

None of the declarations are incorrect.

Since the declarations of identifiers are restricted to some rules,

• It should only be combined with lower and upper case letters, digits, and underscore only.
• It cannot start with a digit.
• Special symbols cannot be used.
• Reserved keywords cannot be used as identifiers.
• In some programming languages, the length of identifiers are restricted.