python basic

Which of the following is used to create a single-line comment in Python?

• • a) // This is a comment

• • b) # This is a comment

• • c) /* This is a comment */

• • d) <!-- This is a comment -->

Which of the following is a valid variable name in Python?

• • a) 1variable

• • b) variable1

• • c) variable-1

• • d) variable 1

Which of the following is a mutable data type in Python?

• • a) tuple

• • b) list

• • c) str

• • d) int

Which of the following is the correct syntax for an if statement in Python?

• • a) if x == 10 then:

• • b) if (x == 10):

• • c) if x == 10:

• • d) if x = 10:

How do you create an infinite loop in Python?

• • a) while (true):

• • b) while True:

• • c) for(;;):

• • d) while (1):

How do you define a function in Python?

• • a) function my_function():

• • b) def my_function():

• • c) define my_function():

• • d) func my_function():

Which of the following is the correct way to open a file for reading in Python?

• • a) open('filename', 'r')

• • b) open('filename', 'w')

• • c) open('filename', 'rw')

• • d) open('filename', 'read')

Which keyword is used to handle exceptions in Python?

• • a) catch

• • b) handle

• • c) except

• • d) throw

Which of the following can be used to create a multi-line comment in Python?

• • a) /* This is a multi-line comment */

• • b) <!-- This is a multi-line comment -->

• • c) """ This is a multi-line comment """

• • d) ## This is a multi-line comment

Which of the following is NOT a valid variable name in Python?

• • a) my_var

• • b) _myvar

• • c) 2myvar

• • d) myVar