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Mr. Dubey • 52.30K Points
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Q. Why are local variable names beginning with an underscore discouraged?

(A) they are used to indicate a private variables of a class
(B) they confuse the interpreter
(C) they are used to indicate global variables
(D) they slow down execution
Correct : Option (A)

Explanation: 
 as python has no concept of private variables, leading underscores are used to indicate variables that must not be accessed from outside the class.

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