Python Quizzes

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.

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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The post contains a Quiz about Python with Answers. The MCQs in this Python Quiz cover topics related to data frames in Python, some basic concepts, and an introduction to Python. Let us start with the quiz.

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Python Quiz with Answers

• We have a data frame called df. Which line of code aggregates the data based on a column (col_A) and counts the number of rows?
• We have a data frame called df. Which method is used to create a line chart of two columns $a$ and $b$?
• We want to delete a list of columns from our data frame df. Which one of these methods is used to delete a column in a data frame?
• Which method creates the correlation matrix of the numerical columns in a data frame df?
• How would you access the column “symboling” from the data frame df?
• We have a data frame called df, in which the pandas property is used to check the columns’ data types.
• We have a data frame called df, choose the correct pandas property that shows you the number of rows and columns in the data frame.
• Suppose you have a data frame named df What does the following method do to the data frame df.head(12)?
• A data professional wants to merge two pandas’ data frames. They want to join the data so that only the keys that are in both data frames get included in the merge. What technique can they use to do so?
• How do you determine the median of data using Pandas?
• How would you get the columns for temperature and rainfall from a data frame using Python?
• What will be the datatype of the output of df[‘A’] where ‘df’ is a data frame and ‘A’ is one of the columns?
• What will be the datatype of the output of df[‘A’] where ‘df’ is a data frame and ‘A’ is one of the columns?
• A data professional is working with a NumPy array that has three rows and two columns. They want to change the data into two rows and three columns. What method can they use to do so?
• Which data structure is [1,2,3,4].
• What is indicated by the term null?
• What is the name of the attribute that we want to predict
• What is the difference between a list and a tuple in Python?
• What is the syntax to create a tuple in Python?
• What happens when you add an int and a float?

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