Python Quizzes

This post is about the Python MCQ Online Test with Answers. It consists of 20 multiple-choice questions about Data and Data Structures in Python. Let’s start with the Python MCQ Online Test with Answers.

Python MCQ Online Test with Answers

• We have a JSON dataset stored in the file_path directory. Which method is used to import JSON data into a pandas data frame?
• How do you create a 25 x 25 identify matrix in numpy?
• A 5 x 5 numpy multidimensional array x is created. How do you access elements in the first row?
• A 5 x 5 numpy multidimensional array called $x$ is created. How to add a scalar $b$ to the $x$ matrix?
• How to find a multi-dimensional numpy array called $x$ in Python?
• How is the data for each row in a CSV file stored once it is read?
• A ————— NumPy array can be created from a list of lists, where each internal list is the same length.
• In pandas, what is the difference between the iloc[] and loc[] methods?
• A data professional is working with a list of named cities that contains data on global cities. The string ‘Houston’ is the third element in the list. What Python code can they use to remove the string ‘Houston’ from the list?
• What does the “iloc” method of a pandas data frame do?
• A data professional is working with a list of named cities that contains data on global cities. What Python code can they use to add the string ‘Multan’ as the second element in the list?
• Which pandas function does a data professional use to convert categorical variables into dummy variables?
• Which of the functions below can we use to acquire the value at a certain row?
• In Python, which of the following characters can a data professional use to instantiate a dictionary?
• What will be the result of the following Python code? set1 = {1, 2, 3} set1.add(4) set1.add(4) print(set1)
• What will the following Python code do? set1={“a”, 3, “b”, 3} set1.remove(3)
• Which of the following is True regarding lists in Python?
• Which among the following are mutable objects in Python?

1. List
2. Integer
3. String
4. Tuple

• Which of the following is not a core data type in Python programming?
• What data type is the object below? L = [1, 23, ‘hello’, 1]

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The post is about the Python MCQS test with Answers. There are 20 multiple-choice questions from Pandas, Data Frame, Python data structures (such as lists, tuples, strings, and dictionaries, etc.), Python Editors, and Functions. Let us start with the Python MCQS Test.

Please go to Important Python MCQs Test 4 to view the test

Python MCQs Test with Answers

• Like Java, a function can be defined anywhere in a Python program.
• In the pandas drop method we have a parameter called inplace, what is it used for?
• What is the difference between the union and intersection of two sets in Python?
• How do you convert a set into a list?
• How do you remove a key-value pair from a dictionary in Python?
• How is a definition stored in a dictionary, where ‘word’ is the key?
• How are the keys obtained as a list from a dictionary word_list?
• What Python data structure allows for the return of multiple items from a function?
• Jupyter server supports only Python.
• What is the first element of “I Love Python”.split()?
• Why are functions important?
• Jupyter Notebook is an open-source ————– for creating and sharing documents containing live code, mathematical formulas, visualizations, and text.
• Which Python feature enables data professionals to define code once, and then use it many times without having to rewrite it?
• Which of the following statements accurately describe Python lists?
• What datatype would the following variable have main_data=read.csv(“path/to/myfile.csv”)?
• What function(s) would print out the total missing data values for all columns of the dataframe main_data?
• Which command will grab the last few rows of a dataframe?
• A data professional is working with a pandas dataframe. They want to select a subset of rows and columns by index. What method can they use to do so?
• If you want to save data to a file, which of the following libraries should you use?
• Lines of code that begin with a ———— serve as comments and don’t get executed.

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The post is about the Python Quiz with answers. There are 20 Multiple-Choice Questions about Python. The topics covered in the quiz are introduction to Python, Data Structures, Importing and Exporting Files, Control Structures (if statements and loops), and graphical representations of the data. Let us start with the Python Quiz with Answers.

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Python Quiz with Answers

• How can you access the length of a list in Python?
• Which command will grab the last few rows of a data frame?
• Which data structure is {‘one’:1, ‘two’:2}.
• In Python, what types of data can tuples contain?
• In Python, the ———- statement sets a piece of code to run only when the condition of the if statement is false.
• In Python, when does an else statement execute a piece of code?
• A ————- is a body of reusable code for performing specific processes or tasks.
• Which of these for loop statements would error (assume columns as an array)?
• Which of these print statements would output an error message in Python?
• How do you print “X is large” if $X$ is greater than 28 in Python?
• What defines the body of a decision construct in Python?
• How do you add an element to a set in Python?
• How do you access the value of a dictionary key in Python?
• How can you access a specific element in a list in Python?
• A pair plot can be created using which Python module uses the pairplot method?
• Which of the following data structures are immutable, meaning that values cannot be changed in place?
• Which of the following are valid keywords for loops in Python?
• What keyword is used to create a function?
• Which Python libraries were used to create the boxplots?
• Which of the following statements accurately describe NumPy arrays? Select all that apply.

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