Libraries Pandas Numpy Matplotlib Seaborn Problems The below are my solutions to the leetcode problems using pandas Leetcode ID QUESTION ANSWER 1 Create a Dataframe From List Solution 2 Get The Size Of Dataframe Solution 3 Display The First Three Rows Solution 4 Select Data Solution 5 Create a New Column Solution 6 Drop Duplicate Rows Solution 7 Drop Missing Data Solution 8 Modify Columns Solution 9 Rename Columns Solution 10 Change Data Type Solution 11 Fill Missing Data Solution 12 Reshape Data: Concatenate Solution 13 Reshape Data: Pivot Solution 14 Reshape Data: Melt Solution 15 Method Chaining Solution 16 Replace Employee Id with Unique Identifier Solution 17 Product Sales Analysis I Solution 18 Recyclable and Low Fat Products Solution 19 Employee Bonus Solution 20 Not Boring Movies Solution 21 Fix Names In Table Solution 22 Triangle Judgement Solution