laboursonline – MCQs, Mock Tests | Python Python Mcq Set 1

Is Python case sensitive when dealing with identifiers?

1. yes
2. no
3. machine dependent
4. none of the mentioned

✅ Correct Answer: 1

What is the maximum possible length of an identifier?

1. 31 characters
2. 63 characters
3. 79 characters
4. none of the mentioned

✅ Correct Answer: 4

Which of the following is invalid?

1. _a = 1
2. __a = 1
3. __str__ = 1
4. none of the mentioned

✅ Correct Answer: 4

Which of the following is an invalid variable?

1. my_string_1
2. 1st_string
3. foo
4. _

✅ Correct Answer: 2

Why are local variable names beginning with an underscore discouraged?

1. they are used to indicate a private variables of a class
2. they confuse the interpreter
3. they are used to indicate global variables
4. they slow down execution

✅ Correct Answer: 1

Which of the following is not a keyword?

1. eval
2. assert
3. nonlocal
4. pass

✅ Correct Answer: 1

Which is the correct operator for power(xy)?

1. X^y
2. X**y
3. X^^y
4. none of the mentioned

✅ Correct Answer: 2

Which one of these is floor division?

1. /
2. //
3. %
4. none of the mentioned

✅ Correct Answer: 2

What is the answer to this expression, 22 % 3 is?

1. 7
2. 1
3. 0
4. 5

✅ Correct Answer: 2

Operators with the same precedence are evaluated in which manner?

1. Left to Right
2. Right to Left
3. Can’t say
4. none of the mentioned

✅ Correct Answer: 1

What is the output of this expression, 3*1**3?

1. 27
2. 9
3. 3
4. 1

✅ Correct Answer: 3

Which of these in not a core data type?

1. Lists
2. Dictionary
3. Tuples
4. Class

✅ Correct Answer: 4

Given a function that does not return any value, What value is thrown by default when executed in shell.

1. int
2. bool
3. void
4. None

✅ Correct Answer: 4

Which of the following will run without errors?

1. round(45.8)
2. round(6352.898,2,5)
3. round()
4. round(7463.123,2,1)

✅ Correct Answer: 1

What is the return type of function id?

1. int
2. float
3. bool
4. dict

✅ Correct Answer: 1

In python we do not specify types, it is directly interpreted by the compiler, so consider the following operation to be performed. >>>x = 13 ? 2 objective is to make sure x has a integer value, select all that apply (python 3.xx)

1. x = 13 // 2
2. x = int(13 / 2)
3. x = 13 % 2
4. all of the mentioned

✅ Correct Answer: 4

What error occurs when you execute the following Python code snippet? apple = mango

1. SyntaxError
2. NameError
3. ValueError
4. TypeError

✅ Correct Answer: 2

What data type is the object below? L = [1, 23, 'hello', 1]

1. list
2. dictionary
3. array
4. tuple

✅ Correct Answer: 1

In order to store values in terms of key and value we use what core data type.

1. list
2. tuple
3. class
4. Dictionary

✅ Correct Answer: 4

Which of the following results in a SyntaxError?

1. ‘”Once upon a time…”, she said.’
2. “He said, ‘Yes!'”
3. ‘3’
4. ”’That’s okay”’

✅ Correct Answer: 3

Select all options that print. hello-how-are-you

1. print(‘hello’, ‘how’, ‘are’, ‘you’)
2. print(‘hello’, ‘how’, ‘are’, ‘you’ + ‘-‘ * 4)
3. print(‘hello-‘ + ‘how-are-you’)
4. print(‘hello’ + ‘-‘ + ‘how’ + ‘-‘ + ‘are’ + ‘you’)

✅ Correct Answer: 3

What is the return value of trunc()?

1. int
2. bool
3. float
4. None

✅ Correct Answer: 1

What is the output of print 0.1 + 0.2 == 0.3?

1. True
2. False
3. Machine dependent
4. Error

✅ Correct Answer: 2

Which of the following is not a complex number?

1. k = 2 + 3j
2. k = complex(2, 3)
3. k = 2 + 3l
4. k = 2 + 3J

✅ Correct Answer: 3

What is the type of inf?

1. Boolean
2. Integer
3. Float
4. Complex

✅ Correct Answer: 3

What does ~4 evaluate to?

1. -5
2. -4
3. -3
4. +3

✅ Correct Answer: 1

What does ~~~~~~5 evaluate to?

1. +5
2. -11
3. +11
4. -5

✅ Correct Answer: 1

Which of the following is incorrect?

1. x = 0b101
2. x = 0x4f5
3. x = 19023
4. x = 03964

✅ Correct Answer: 4

What is the result of cmp(3, 1)?

1. 1
2. 0
3. True
4. False

✅ Correct Answer: 1

Which of the following is incorrect?

1. float(‘inf’)
2. float(‘nan’)
3. float(’56’+’78’)
4. float(’12+34′)

✅ Correct Answer: 4

What is the result of round(0.5) – round(-0.5)?

1. 1.0
2. 2.0
3. 0.0
4. Value depends on Python version

✅ Correct Answer: 4

What does 3 ^ 4 evaluate to?

1. 81
2. 12
3. 0.75
4. 7

✅ Correct Answer: 4

What will be the value of the following Python expression? 4 + 3 % 5

1. 4
2. 7
3. 2
4. 0

✅ Correct Answer: 2

Evaluate the expression given below if A = 16 and B = 15. A % B // A

1. 0.0
2. 0
3. 1.0
4. 1

✅ Correct Answer: 2

Which of the following operators has its associativity from right to left?

1. +
2. //
3. %
4. **

✅ Correct Answer: 4

What will be the value of x in the following Python expression? x = int(43.55+2/2)

1. 43
2. 44
3. 22
4. 23

✅ Correct Answer: 2

What is the value of the following expression? 2+4.00, 2**4.0

1. (6.0, 16.0)
2. (6.00, 16.00)
3. (6, 16)
4. (6.00, 16.0)

✅ Correct Answer: 1

Which of the following is the truncation division operator?

1. /
2. %
3. //
4. |

✅ Correct Answer: 3

What are the values of the following Python expressions? 2**(3**2) (2**3)**2 2**3**2

1. 64, 512, 64
2. 64, 64, 64
3. 512, 512, 512
4. 512, 64, 512

✅ Correct Answer: 4

What is the value of the following expression? 8/4/2, 8/(4/2)

1. (1.0, 4.0)
2. (1.0, 1.0)
3. (4.0. 1.0)
4. (4.0, 4.0)

✅ Correct Answer: 1

What is the value of the following expression? float(22//3+3/3)

1. 8
2. 8.0
3. 8.3
4. 8.33

✅ Correct Answer: 2

What will be the output of the following Python expression? print(4.00/(2.0+2.0))

1. Error
2. 1.0
3. 1.00
4. 1

✅ Correct Answer: 2

What will be the value of X in the following Python expression? X = 2+9*((3*12)-8)/10

1. 30.0
2. 30.8
3. 28.4
4. 27.2

✅ Correct Answer: 4

Which of the following expressions involves coercion when evaluated in Python?

1. 4.7 – 1.5
2. 7.9 * 6.3
3. 1.7 % 2
4. 3.4 + 4.6

✅ Correct Answer: 3

What will be the output of the following Python expression? 24//6%3, 24//4//2

1. (1,3)
2. (0,3)
3. (1,0)
4. (3,1)

✅ Correct Answer: 1

Which among the following list of operators has the highest precedence? +, -, **, %, /, <<, >>, |

1. <<, >>
2. **
3. |
4. %

✅ Correct Answer: 2

What will be the value of the following Python expression? float(4+int(2.39)%2)

1. 5.0
2. 5
3. 4.0
4. 4

✅ Correct Answer: 3

Which of the following expressions is an example of type conversion?

1. 4.0 + float(3)
2. 5.3 + 6.3
3. 5.0 + 3
4. 3 + 7

✅ Correct Answer: 1

Which of the following expressions results in an error?

1. float(‘10’)
2. int(‘10’)
3. float(’10.8’)
4. int(’10.8’)

✅ Correct Answer: 4

What will be the value of the following Python expression? 4+2**5//10

1. 3
2. 7
3. 77
4. 0

✅ Correct Answer: 2