Python Questions - Set 2

Question 1

What is the output of
~~~
2 ** 3
~~~

Answer 1

2 raised to power 3
8

Question 2

What is the output of ,

x = 10 / 4
y = 5 / 2.0
print (x + y)

Answer 2

5.0

Question 3

What is the output of,

x = 13 / 4
y = 13 % 4
print(x + y )

Answer 3

x = 3.25
y = 1
x + y = 4.25

Question 4

What is the output of,

6. // 4

Answer 4

1.0

Question 5

What is the output of the following python code if we enter 5 as input?

Num = input("Enter a Number: ")
print (Num * 3 )

Answer 5

555

Question 6

Which method should you use in order to convert the input into a string correctly:

year_of_birth = int(input("In what year were you born? "))
print("You were born in " + ...(year_of_birth))

Answer 6

str

Question 7

What is the output of the following Python code,

x = 5
y = "Sally"
print(str(x) + y)

Answer 7

5Sally

Question 8

What is the output of the following python code if we enter “HelloPython” as input,

inputString = input('Enter a string: ')
print(inputString*2)

Answer 8

HelloPythonHelloPython

Question 9

What is the output of the following python code if we enter 5 as input

Num = input("Enter a Number: ")
Num = int(Num) 
print ( Num * 3 )

Answer 9

15

Question 10

What is the output of the following python code,

print('My age is ' + 25)

Answer 10

It gives anTypeError

Question 11

What is the output of this Python code,

print(int("Hello"))

Answer 11

It gives an invalid literal error
It means, only numbers as strings can be type casted to integer

print(int('5'))

is correct

Question 12

What is the output of,
~~~
print(a)
~~~

Answer 12

name ‘a’ is not defined

Question 13

What is the output of,

print("Ha" -1)

Answer 13

It gives an error,
unsupported operand type for - : str & int

Question 14

How to print value of character

Answer 14

We have to use ord() method

c = 'g'
print(ord(c))

Question 15

if we have a variable ,

c = 'g'

then how print this output without fstring
“The ASCII value of ‘g’ is 103 “

Answer 15

~~~
c = ‘g’
print(“The ASCII value of ‘” + c + “’ is”, ord(c)
```)

Question 16

What is the data type of this , print(type(1_00_0000_000))

Answer 16

integer

Question 17

How to convert octal number “ 0o123 “to decimal ?

Answer 17

We have two methods,
1. Simply assighn it to variable , python automatically convert it to decimal
2. Use inbuilt function , int() , int function takes octal number as string

octal_number = "0o123"  # Octal number represented as a string with "0o" prefix
decimal_number = int(octal_number, 8)
print(decimal_number)  # Output will be 83

Question 18

How to create literals of octal number

Answer 18

mynum = 0o123
mynum2 = 0O1234
Capital O is also allowed

Question 19

How to convert 0x123 to decimal

Answer 19

We have two methods,
1. Simply assighn it to variable , python automatically convert it to decima
2. use int function

hexaNumber = "0X123"
decimalNumber = int(hexanumber,16)
print()

Question 20

What are the rules who create a Python variable

Answer 20

1. Name of varuable must start with letter or underscore
2. A variable name composed of uppercase and lowercase letters, digits and an underscore only

Question 21

How to write comments and python

Answer 21

use # symbol 

Question 22

What is the output of,

print("Ha" * -1)

Answer 22

Nothing

Question 23

What is the output of,

x = 'abcd'
for i in range(x):
    print(i)

Answer 23

TypeError: ‘str’ object cannot be interpreted as an integer

Question 24

How to use whilw loop with else statement :

Answer 24

num =4
guess = int(input("Guess A number : "))
while num !=guess:
    guess = int(input("Guess A number : "))
else:
    print("Congrats , you got it ")

Question 25

How to bypass current iteration in for loop ?

Answer 25

We have to use continue statement, here 2 is not printed . ``` for i in range(5): if i==2: continue print(i) ``` Output: 0 1 3 4

Question 26

How to stop the for loop on certain condition ?

Answer 26

We have to use break statement ``` for i in range(5): if i==3: break print(i) ``` Output : 0 1 2

Question 27

What is the output of this code, ``` for i in range(5): if i==3: break print(i) ```

Answer 27

the output is , 0 1 2