博客

代码

import pandas as pd

data = [[1.1,1.2,1.3],[2.1,2.2,2.3],[3.1,3.2,3.3]]
index = [0,1,2]
columns = ['A','B','C']
# 创建DataFrame数据
df = pd.DataFrame(data=data,index=index,columns=columns)
print(df)
# 遍历DataFrame数据的每一列
for col in df.columns:
    series = df[col]
    print(series)

输出结果

第一个输出

     A    B    C
0  1.1  1.2  1.3
1  2.1  2.2  2.3
2  3.1  3.2  3.3

第二个输出

0    1.1
1    2.1
2    3.1
Name: A, dtype: float64
0    1.2
1    2.2
2    3.2
Name: B, dtype: float64
0    1.3
1    2.3
2    3.3
Name: C, dtype: float64