Python Training

Set is:

• Mutable

• Distinct

• Unordered

• Sorted

What will be the output of the following code?

s={1,2,3}

s[0]=10

print(s)

• {10,2,3}

• {1,2,10}

• {1,2,3}

• TypeError

What will be the output of the following code?

• 111

• 123

• 321

• Runtime error

Which of the following is mutable?

• List

• String

• Tuple

• Set

What will be the output of the following code?

nums=list({1:'one',2:'two'})

print(nums)

• Syntex error

• [1, 2]

• [‘one', ‘two']

• Runtime error

Which of the following is an invalid list object?

• list(“Hello”)

• [10, 1.234. 2+3j, ‘Python']

• [(1,2), (3,4)]

• All are valid

If ['one', 'four', 'three', 'two'] is a list object, the sort() function will return _____.

• ['four', 'three', 'two', 'one']

• ['four', 'one', 'three', 'two']

• ['one', 'two', 'three', 'four']

• None of the above

Which of the following is true?

• a. List object can contain tuple as one of the items

  a.

• b. Tuple can contain a list as one of the items

  b. b

• Both a and b are true

• Both a and b are false

What will be the output of the following code?

• [1, 2, 3, 4, 5]

• []

• SyntaxError

• NameError: name 'lst' is not defined

What will be the output of the following code?

lst = [1, 2, 3, 4, 5]

print(lst[-5:-3])

• [1, 2]

• []

• [2,3]

• SyntaxError