What is the convention in Python for naming a private variable in a class?Starting its name with an underscore ().Ending its name with an underscore ().Starting its name with two underscores ().Ending its name with two underscores ().

. Which of the following is true for variable names in Python?underscore and ampersand are the only two special characters allowedall private members must have leading and trailing underscoresnone of the mentionedunlimited length

Pythonic Variable name style

What are the variables prefixed with two underscores (_ _)(_ _) in classes called?

Why are local variable names beginning with an underscore discouraged?Optionsthey confuse the interpreterthey are used to indicate a private variables of a classthey are used to indicate global variablesthey slow down execution

Which of the following is a valid variable name in Python? 3_numbers my_variable global variable#1