What is Pandas in Python?

• A data manipulation library

• A machine learning library

• A web development library

• A game development library

Which function is used to create a DataFrame in Pandas?

• DataFrame()

• array()

• series()

• list()

Which of the following is not a data structure provided by Pandas?

• DataFrame

• Series

• Panel

• Tensor

What method is used to remove duplicate values in a DataFrame?

• remove_duplicates()

• drop_duplicates()

• delete_duplicates()

• eliminate_duplicates()

Which function reads a CSV file into a Pandas DataFrame?

• read.csv()

• read_txt()

• read_csv()

• csv_read()

What is the default axis value in the 'drop()' method in Pandas?

• axis=0

• axis=1

• axis=2

• axis=None

How can you calculate the mean of each column in a DataFrame?

• mean(axis=0)

• mean(axis=1)

• avg(axis=0)

• average(axis=1)

Which method is used to fill missing values in Pandas?

• fillna()

• fill()

• nanfill()

• replace_na()

How can you concatenate two DataFrames vertically?

• concat(axis=0)

• concat(axis=1)

• merge(axis=0)

• join()

Which of the following methods sorts a DataFrame by a column?

• sort_values()

• sort_by_column()

• order_by()

• arrange()