Python Final Exam Review

Question 1

What does the head() method in Pandas DataFrame do?

Accepted Answer

Returns the first n rows of the DataFrame

Question 2

Which is NOT a tuple?

Accepted Answer

Mutable sequence

Question 3

Which method is used to read a CSV file into a Pandas DataFrame?

Accepted Answer

read_csv()

Question 4

What is 'None' in Python?

Accepted Answer

Null value, No value, Placeholder

Question 5

Which data type is mutable?

Accepted Answer

Dictionary, Set, List

Question 6

What is a 'for' loop used for?

Accepted Answer

Iterate over items, Loop through sequence, Repeat actions

Question 7

True or false: Python is case-sensitive

Accepted Answer

True

Question 8

What does 'len()' return?

Accepted Answer

Length of object, Number of items, Size of sequence

Question 9

Which is not a feature of a Python list?

Accepted Answer

Immutable sequence

Question 10

Which will make a bar graph of the countries and their total points from the following Pandas DataFrame df?

Accepted Answer

fifa[[‘COUNTRY’,’TOTAL POINTS’]].plot(kind=’bar’)

Question 11

What is the purpose of the groupby() method in Pandas DataFrame?

Accepted Answer

Groups data based on a specified column

Question 12

What does 'if' statement do?

Accepted Answer

Conditional execution, Test condition, Branching logic

Question 13

Given a Pandas DataFrame df with the following definition, which statement is correct?

Accepted Answer

df[‘G’] eturns a row from the DataFrame

Question 14

What is a dictionary?

Accepted Answer

Unordered collection, Key-value pairs, Mutable mapping

Question 15

Final the median total points of all countries using the Pandas df below.

Accepted Answer

df['TOTAL_POINTS'].median()

Questions 15