Python

Python basics

100

2

print(7 % 3)

200

False

print(10 > 5 and 2 > 3)

300

7

What is the output? 

x = 5

x + = 2

print(x)

400

3 2 1

x = 3

while x > 0:

    print(x)

    x -= 1

A. 3
B. 3 2 1
C. 1 2 3
D. Infinite loop 

500

Hi Hi

for i in range(2):

 print("Hi")

A. Hi
B. Hi Hi
C. Nothing
D. Error 

Pandas

100

import pandas as pd

Which command loads Pandas?
A. import pandas as pd
B. import panda as pd
C. import pd
D. from pandas import *

200

df.tail(3)

Which command shows the last 3 rows of a DataFrame?

A. df.tail(3)
B. df.start(3)
C. df.head(3)
D. df.first(3)  

300

 df["Age"]

How do you select a single column named “Age”?

A. df(Age)
B. df.[Age]
C. df["Age"]
D. Both B and C  

400

pd.read_excel()

Which function reads an Excel file? 

A. pd.read_excel()
B. pd.import_excel()
C. pd.read_xlsx()
D. pd.open_excel()

500

df.shape

Which command shows the number of rows and columns in a DataFrame?

A. df.size
B. df.shape
C. df.count()
D. df.length()

Matplotlib & seaborn

100

plt.show()

Which command displays the plot?
A. plt.open()
B. plt.display()
C. plt.show()
D. plt.start()

200

plt.plot()

Which command creates a basic line plot?
A. plt.line()
B. plt.plot()
C. plt.graph()
D. plt.map()

300

sns.heatmap()

You want to see which columns in your dataset have higher or lower correlation with each other using colors. Which Seaborn function helps you do this?

A. sns.barplot()
B. sns.heatmap()
C. sns.boxplot()
D. sns.scatterplot()

400

Add a title

What is the purpose of plt.title("Graph Title")?
A. Add color
B. Add a title
C. Add a caption
D. Resize the plot

500

import matplotlib.pyplot as plt

plt.bar(x, y)

plt.scatter(x, y)

plt.show()

You have two lists in Python:

x = [1, 2, 3, 4] y = [10, 20, 15, 25]

Which Matplotlib command will create:

a) A bar chart of x vs y?
b) A scatter plot of x vs y?

Python snippets

100

11

What is the output of: 

 x = 5; print(x * 2 + 1)

200

True

print(4 == 4)

300

Hello Alex

What is the output of 

name = "Alex"; 

print("Hello ", name)

400

contract law

What is the output of the string method: 

case = "Contract Law"; 

print(case.lower())

500

45

sum_val = 0

for i in range(10):

    sum_val = sum_val + i

print(sum_val)