微信登录

pandas DataFrame信息list(data)全部列名

DataFrame信息 - list(data) - 全部列名

list(df)

list(df)方法可以直接获得df的列名

  1. import numpy as np
  2. import pandas as pd
  4. df = pd.DataFrame(data=[{"A":"one", "B":1, "C":11}, {"A":"two", "B":2, "C":22}])
A B C
0 one 1 11
1 two 2 22 
  1. columns_list = list(df)
  2. print(columns_list)
  3. ["A","B","C"]
  5. columns_list = str(list(df)).replace("[", "(").replace("]", ")")
  6. print(columns_list)
  7. ("A","B","C")

list(df)

一般来说可以用在选择数据 - df[][] - df[选择指定列][筛选条件]