Q66. How is the below statement will be evaluated?
“x” in “a” , “x”
Ans : Please note that comma is not an operator. It is a separator. Hence, above statement will be evaluated as below.
(“x” in “a”) , “x”
And result will be as below
(False, “x”)
Q67. What is the value of below expression?
X=100
Y=20
Val = X if X < Y else Y
Ans: Here Val will have 20. Because first condition is false, which will result in Y, which is 20.
Q68. How will you remove the duplicate elements from the list?
Ans: It’s very simple, as we know set contain only unique values. Hence, first convert list to set and then set back to list.
|
list(set(list_with_duplicates)) |
Q69. What is a Class?
Ans : You can say, it is a user defined object. It works as a template and hold attributes and functions.
Learn Python in Less than 8 Hours sitting at Home/@Desk
Q70. What is self?
Ans: Self is a first argument of a method. A method defined as do_something(self, a, b, c) should be called as object.do_something(a, b, c) for some instance object of the class in which the definition occurs; the called method will think it is called as do_something(self, a, b, c).
