在Pandas中,可以使用rename方法或columns属性来重命名DataFrame的列。 使用rename方法 rename方法允许你通过字典、函数或lambda表达式来重命名列。 示例代码: python import pandas as pd # 创建一个示例DataFrame df = pd.DataFrame({ 'A': [1, 2, 3], 'B': [4, 5, 6], 'C': [7, 8, 9] }) # ...
Pandas DataFrame | Renaming Columns: In this tutorial, we will learn how can we rename one or all columns of a DataFrame in Python?ByPranit SharmaLast updated : April 10, 2023 Columns are the different fields that contain their particular values when we create a DataFrame. We can perform ce...
示例2：使用函数进行列名重命名import pandas as pddata = {'A': [1, 2, 3],'B': [4, 5, 6]}df = pd.DataFrame(data)print("Original DataFrame:")print(df)df = df.rename(columns=lambda x: x.lower())print("\nRenamed DataFrame:")print(df)输出结果：Original DataFrame: A B1412523...
How to rename column name in pandas By: Rajesh P.S.The Pandas DataFrame rename() method can be used to rename one or more columns at once: # rename the 'Salary' column to 'Income' df = df.rename(columns={'Salary': 'Income'}) Pandas is a popular data manipulation library in ...
# Renaming columns df.rename(columns={'A': 'X', 'B': 'Y'}, inplace=True) print(df) After executing this, the output will be a DataFrame with columns renamed as specified: X Y C 0 1 4 7 1 2 5 8 2 3 6 9 This is a simple and effective way to rename columns in pandas. ...
To batch rename columns in a Pandas DataFrame, we can use the rename method. Here is an example: import pandas as pd # Sample DataFrame data = {"ID": [1, 2, 3], "Name": ["Alice", "Bob", "Charlie"], "Age": [25, 30, 33]} df = pd.DataFrame(data) # Define a ...
df.rename(columns={'column_current_name':'new_name'}) Now, let’s see how to rename the column “marks” to ‘percentage‘. Example importpandasaspd student_dict = {"name": ["Joe","Nat","Harry"],"age": [20,21,19],"marks": [85.10,77.80,91.54]}# Create DataFrame from dictstude...
Depending on the values in the dictionary, we may use this method to rename a single column or many columns. Example Code: importpandasaspd d1={"Names":["Harry","Petter","Daniel","Ron"],"ID":[1,2,3,4]}df=pd.DataFrame(d1)display(df)# rename columnsdf1=df.rename(columns={"Name...
最常见的 Rename 操作是重命名 DataFrame 的列: importpandasaspd# 创建示例数据data={'name':['Alice','Bob','Charlie'],'age':[25,30,35],'score':[85,92,78]}df=pd.DataFrame(data)# 重命名列df=df.rename(columns={'name':'student_name'...
df.rename(columns={'省份':'省','城市':'市'},inplace=True)print(df)省市区人口GDP气温地形气温.10北京北京崇文45611121平原31北京北京宣武1531425草原92上海上海闸北247453637丘陵63浙江杭州余杭787424139山地74浙江杭州西湖44535710平原25浙江宁波北仑5637554111草原16江苏南京江宁7543234丘陵37广东深圳龙华574569山地88广...