Python Pandas DataFrame items方法用法及代碼示例

例子

考慮以下 DataFrame ：

df = pd.DataFrame({"A":["a","b"],"B":["c","d"]})
df



   A  B
0  a  c
1  b  d

迭代 df 的列：

for column_name, content in df.items():
 print("column_name:", column_name)
 print(content)   # a Series



column_name: A
0    a
1    b
Name: A, dtype: object

column_name: B
0    c
1    d
Name: B, dtype: object