参考网站：

https://github.com/fengdu78/machine_learning_beginner/tree/master/pandas/Pandas_Exercises

https://github.com/ajcr/100-pandas-puzzles

https://blog.csdn.net/jclian91/article/details/84289537

1. Pandas_Exercises

1.Getting and knowing

• Chipotle
• Occupation
• World Food Facts

2.Filtering and Sorting

• Chipotle
• Euro12
• Fictional Army

3.Grouping

• Alcohol Consumption
• Occupation
• Regiment

4.Apply

• Students
• Alcohol Consumption
• US_Crime_Rates

5.Merge

• Auto_MPG
• Fictitious Names
• House Market

6.Stats

• US_Baby_Names
• Wind_Stats

7.Visualization

• Chipotle
• Titanic Disaster
• Scores
• Online Retail
• Tips

8.Creating Series and DataFrames

• Pokemon

9.Time Series

• Apple_Stock
• Getting_Financial_Data
• Investor_Flow_of_Funds_US

10.Deleting

• Iris
• Wine

2. Pandas 100