Python MCQ Quiz - Objective Question with Answer for Python - Download Free PDF

Correct answer is option BImportant Points

• program start from 1
• check condition  if a % 9 = = 0:  
• then run and print all the value of a till a=8
• when a=9 then condition is false 
• then program Break 
• So the answer is 1 2 3 4 5 6 7 8

In this code we first imports the pandas library and uses it to create a pandas series object called 'series1'. A pandas series is a one-dimensional labelled array that can hold any data type.

The pd.Series() function creates a new series and takes an iterable (such as a list, tuple, or ndarray) as the argument. In this case, the iterable is the list [11,12,13].

The print() function is then used to print the contents of the series to the console.

Output of above code in python is:

0  11

1  12

2  13

dtype:int64

In the output left column shows the index of each element in the series, and the right column shows the value of each element.

The correct answer is option 3.

Concept:

Pandas is an open-source library designed to make it simple and natural to deal with relational or labelled data. It comes with a number of data structures and methods for manipulating numerical data and time series.

Pandas typically provide two data structures for data manipulation:

Series:

The Pandas Series is a one-dimensional label led array that may contain any form of data (integer, string, float, python objects, etc.).

DataFrame:

Pandas DataFrame is a possibly heterogeneous two-dimensional size-mutable tabular data format with labelled axes (rows and columns). A data frame is a two-dimensional data structure in which data is organised in rows and columns in a tabular format.

Hence the correct answer is Series and DataFrame.

The correct answer is option 4.

Concept:

Matplotlib:

One of the most widely-used Python libraries for data visualization is Matplotlib. It's a cross-platform library that generates 2D charts from array data. To get started, we just need to import the relevant files, prepare some data, then use the plot() method to begin charting.

Matplotlib is a Python library that uses NumPy, Python's numerical mathematics extension. There are various storylines in it, like as,

• Line Graph
• Bar Graph
• Scatterplot
• Histogram and many more.

Line Graph:

Bar Graph:

Scatterplot:

Histogram:

Hence the correct answer is All the above.

Concept:

Pandas is an open source data analysis library suited for various kind of data. It is a high- level data manipulation tool and is built on Numpy package.

Explanation:

There are three data structure supported by pandas library:

Series: It is a one – dimensional data structure.

Data-frame: It is the two – dimensional data structure.

Concept:

Slicing: It is used to slice a particular sequence. We can specify where it starts and where it will end, how many characters can be skipped.

Explanation:

Here, given code is:

days = “Mon, Tue, Wed, Thu, Fri, Sat, Sun”

print(days[::5])

Output: In this, slice starts at the first character and includes every fifth character which is : MTWTFSS

It also count space as a character.

Important Point:

Key Points

Python is a dynamic, high-level, free open source, and interpreted programming language. It supports object-oriented programming as well as procedural-oriented programming.

 Feature of Python language

• Easy to code
• Free and Open Source
• Object-Oriented Language
• GUI Programming Support
• High-Level Language
• Extensible feature
• Python is a Portable language
• Python is an Integrated language
• Interpreted Language
• Large Standard Library
• Dynamically Typed Language
• It case-sensitive programming language.

Hence the correct answer is Case insensitive.

In python language,

the system rounds off the number away from 0 when the number which has to be rounded off is halfway through.

This means,

round(0.4) = 0 and round(-0.5) = 0

This gives, 0-(-0) = 0

NOTE: It does not depend on the negative value.The round function is used to round the value.r

Eg: round(0 to 0.5) gives as 0.

round(-0.6 to -0.9) gives as -1.

Hence the answer is 0.

In python language,

when 'r' or 'R' is used before the string, it converts the string into a raw string and the escape sequence like \n are not converted.

Hence the answer is \nhello.

0.2, 0.4 and 0.6 can not be represented accurately in binary.

The round off errors from 0.2 and 0.4 adds up

Hence there is a difference between (0.2 + 0.4) and 0.6.

This is because you can not compare floating point value, as it cannot be considered precise. 

Note:- If you run above program then we will get the output false.

The correct answer is option 4.

Concept:

In Python, reserved words are referred to as keywords. A keyword cannot be used as a variable name, function name, or other identifiers. 

Here's a list of all keywords in Python Programming:

Key Points

for num in range (3):

if num > 0:

print (num*100)

Here num has initially 0 and it prints num × 100 gives 0 as output and next iteration num is 1 and prints 100. After num has 2 and prints 200. And finally range become closes. 

Hence the correct answer is 100,200. 
Note:- for better understanding run the above program.

The correct answer is option 4.

Concept:

Python Identifiers are names assigned to things such as classes, functions, variables, and so on. It helps in distinguishing one entity from another.

Rules for writing identifiers:

• An identifier can be of any length.
• Identifiers can be a mix of lowercase (a-z) or capital (A-Z) characters, numerals (0-9), or underscore(_). Names like myClass, var_1 and print_this_to_screen, all are valid example.
• A digit cannot be the first character of an identifier. Variable1 is an acceptable name, but 1variable is not.
• Keywords cannot be used as identifiers.
• In our identifier, we cannot use special characters such as !, @, #, $, percent, and so on.

Explanation:

​In python an Identifier there is no fixed length so the identifier can be of any length.

Hence the correct answer is No fixed length specified.

Key Points

• Python Dictionary is used to store the data in a key-value pair format. The dictionary is the data type in Python, which can simulate the real-life data arrangement where some specific value exists for some particular key. Ex: Dict = {"Name": "Tom", "age": 22}
• A Python set is the collection of unordered items. Each element in the set must be unique, immutable, and the sets remove the duplicate elements. Ex: Days = {"Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"}
• In Python programming, sequences are a generic term for an ordered set which means that the order in which we input the items will be the same when we access them.
• Python has basically three numeric data types named int, float, and complex. Since Python is a dynamically typed language we don’t have to define the data type

Hence the correct answer is Dictionary.

Concept:

Pandas is an open source data analysis library suited for various kind of data. It is a high- level data manipulation tool and is built on Numpy package.

Explanation:

There are three data structure supported by pandas library:

Series: It is a one – dimensional data structure.

Data-frame: It is the two – dimensional data structure.