Introduction to Python

What is a correct syntax to return the first character in a string?

• x="Hello".sub(0,1)

• x="Hello"[0]

• x=sub("Hello",0,1)

• x=substring("Hello",0,1)

Identify the below expressions which would result in False?

a) False and True b) 1==1 or 2==1

c) 1==1 and 2!=1 d) True and 1==1 e) False or 1>2

• c, d

• a, e

• b, c, d

• a, c

what is the output of the below code snippet?

num1=10

num2=7//2

num2*=num1

print(num2)

• 10

• 35.0

• 30

• 30.0

y = 4

z = lambda x : x ** y

print z(3)

• 81

• 12

• 64

• None of the above

What is the output of the below code snippet?

• P 9

  Q 10

  R 2

  S 6

• Tuple is immutable, so it will throw an error

• P 9

  Q 10

  R 2

  S 6

  T 6

• None of the above

What is the output of the below code?

num_list = [10.5,30.5,-1.20,10.10]

num_list.insert(-3, -10.5)

num_list.pop(0)

print(num_list[0])

• 30.5

• -10.5

• 10.1

• -1.2

What is the output of the code given below?

• got it

• lcome to Hyd

• come to Hyd

• come to Hyde

print(~~~~~5)

• 5

• -6

• 10

• -10

x = ['ab', 'cd']

for i in x:

i.upper()

print(x)

• ['ab','cd']

• ['AB','CD']

what's the value of the below code snippet?

a,b,c = 1,2,3

a,b,c = c,a,b = b,a,c = c,b,a

print(a,b,c)

• 1 2 3

• 2 3 1

• 3 2 1

• 1 3 2