Class-11th IP Ch-4 Working with List & Dictionary

Which of the following function is used to count the number of elements in a list?

• Count ( )

• find ( )

• len ( )

• index ( )

Which of the following statements create a dictionary?

• D = { }

• d = {red 45 blue 55}

• D= {40 orange 45 green}

• all of the mentioned

What will be the output of the following Python code snippet?

d= {"Hello ":10,"Hi":20}

• "hello" 40,45 and "hi"

• "hello" and "hi"

• 40 and 45

• d = (40" hello 45,hii)

Write the output of the following code : list("welcome")

• [welcome]

• (welcome)

• ['w','e','l','c','o','m','e']

• none of the above

Suppose d={"red":20 "green":30} to obtain number of entire in dictiona which command do we use?

• D size ( )

• len (d)

• size (d)

• d Ien ( )

Which of the following statements will create list?

• L1 = list ( )

• L1 = [1,2,3,4]

• both of the above

• none of above

Write the output of the following code:

L=['a' * x for x in range(4)]

print(L)

• ['', 'a', 'aa', 'aaa']

• ['a','aa','aaa']

• Error

• none of above

Del statements can delete the following from the list?

• Single element

• multiple element

• All element

• all of above

Which mathematical operator is used for repetition?

• *

• **

• +

• //

Which mathematical operator is used concatenate list?

• +

• //

• **

• none of above