类似于一维数组的对象
t=pd.Series([1,2,3,4,5])
print(t)
'''
0 1
1 2
2 3
3 4
4 5
dtype: int64
'''
t=pd.Series([1,2,3,4,5],index=['a','b','c','d','e'])
print(t)
'''
a 1
b 2
c 3
d 4
e 5
dtype: int64
'''
import pandas as pd
d={'a':1,'b':2,'c':3,'d':4,'e':5}
t=pd.Series(d)
print(t)
'''
a 1
b 2
c 3
d 4
e 5
dtype: int64
'''
表格型的结构,类似于R语言中的数据框
d=[['wangfei',12,'f'],['nihao',23,'f'],['zhangwei',12,'m']]
t=pd.DataFrame(d,index=[0,1,2],columns=['name','age','sex'])
print(t)
'''name age sex
0 wangfei nihao zhangwei
1 12 23 12
2 f f m[3 rows x 3 columns]'''
#嵌套字典
d={'name':{0:'wangfei',1:'nihao',2:'zhangwei'},'age':{0:12,1:23,2:12},'sex':{0:'f',1:'f',2:'m'}}
#外层字典的键作为列,内层字典的键作为行索引
t=pd.DataFrame(d)
print(t)
'''age name sex
0 12 wangfei f
1 23 nihao f
2 12 zhangwei m
[3 rows x 3 columns]'''