手动创建DataFrame，Series，取自kaggle

import pandas as pd


### Series
# 默认索引，从0开始
num = pd.Series([1, 2, 3, 4, 5])
# 自定义索引
pd.Series([30, 35, 40], index=['2015 Sales', '2016 Sales', '2017 Sales'], name='num')


### DataFrame  多个Series拼接而成，DataFrame的每一列都是一个Series
# 默认索引，从0开始
fruits = pd.DataFrame([[30, 21]], columns=['Apples', 'Bananas'])

# 自定义索引
fruit_sales = pd.DataFrame([[35, 21], [41, 34]], columns=['Apples', 'Bananas'],
                index=['2017 Sales', '2018 Sales'])

animals = pd.DataFrame({'Cows': [12, 20], 'Goats': [22, 19]}, index=['Year 1', 'Year 2'])