Python Blockchain Developer Set 1

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Free Online Best Office Python Blockchain Developer Questions for improve your basic knowledge of Python Blockchain Developer. This Python Blockchain Developer set 1 test that contains 25 Multiple Choice Questions with 4 options. You have to select the right answer to a question.

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Question 1

Which of the following statements is correct in this python code? class Name: def __init__(javatpoint): javajavatpoint = java name1=Name("ABC")name2=name1

A	It will throw the error as multiple references to the same object is not possible
B	id(name1) and id(name2) will have same value
C	Both name1 and name2 will have reference to two different objects of class Name
D	All of the above

Question 2

Which character is used in Python to make a single line comment?

A	/
B	//
C	#
D	!

Question 3

Why does the name of local variables start with an underscore discouraged?

A	To identify the variable
B	It confuses the interpreter
C	It indicates a private variable of a class
D	None of these

Question 4

In which year was the Python language developed?

A	1995
B	1972
C	1981
D	1989

Question 5

Which of the following precedence order is correct in Python?

A	Parentheses, Exponential, Multiplication, Division, Addition, Subtraction
B	Multiplication, Division, Addition, Subtraction, Parentheses, Exponential
C	Division, Multiplication, Addition, Subtraction, Parentheses, Exponential
D	Exponential, Parentheses, Multiplication, Division, Addition, Subtraction

Question 6

Which of the following operators is the correct option for power(ab)?

A	a ^ b
B	a**b
C	a ^ ^ b
D	a ^ * b

Question 7

In which language is Python written?

A	English
B	PHP
C	C
D	All of the above

Question 8

Which of the following words cannot be a variable in python language?

A	_val
B	val
C	try
D	_try_

Question 9

Study the following function:all([2,4,0,6]) What will be the output of this function?

A	FALSE
B	TRUE
C	0
D	Invalid code

Question 10

Which one of the following has the same precedence level?

A	Division, Power, Multiplication, Addition and Subtraction
B	Division and Multiplication
C	Subtraction and Division
D	Power and Division

Question 11

Which of the following is correctly evaluated for this function?pow(x,y,z)

A	(x**y) / z
B	(x / y) * z
C	(x**y) % z
D	(x / y) / z

Question 12

Which one of the following is the correct extension of the Python file?

A	.py
B	.python
C	.p
D	None of these

Question 13

In which year was the Python 3.0 version developed?

A	2008
B	2000
C	2010
D	2005

Question 14

Study the following function: round(4.576) What will be the output of this function?

A	4
B	5
C	576
D	6

Question 15

Which of the following is not a keyword in Python language?

A	val
B	raise
C	try
D	with

Question 16

Which of the following functions is a built-in function in python language?

A	val()
B	print()
C	print()
D	None of these

Question 17

What is the maximum possible length of an identifier?

A	16
B	32
C	64
D	None of these above

Question 18

Which of the following declarations is incorrect?

A	_x = 2
B	__x = 3
C	__xyz__ = 5
D	None of these

Question 19

What is the method inside the class in python language?

A	Object
B	Function
C	Attribute
D	Argument

Question 20

Who developed the Python language?

A	Zim Den
B	Guido van Rossum
C	Niene Stom
D	Wick van Rossum

Question 21

Which of the following statements is correct for variable names in Python language?

A	All variable names must begin with an underscore.
B	Unlimited length
C	The variable name length is a maximum of 2.
D	All of the above

Question 22

What do we use to define a block of code in Python language?

A	Key
B	Brackets
C	Indentation
D	None of these

Question 23

Which of the following statements is correct regarding the object-oriented programming concept in Python?

A	Classes are real-world entities while objects are not real
B	Objects are real-world entities while classes are not real
C	Both objects and classes are real-world entities
D	All of the above

Question 24

Which one of the following has the highest precedence in the expression?

A	Division
B	Subtraction
C	Power
D	Parentheses

Question 25

Which of the following declarations is incorrect in python language?

A	xyzp = 5,000,000
B	x y z p = 5000 6000 7000 8000
C	x,y,z,p = 5000, 6000, 7000, 8000
D	x_y_z_p = 5,000,000

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