change name column pandas code example
Example 1: rename column pandas
>>> df = pd.DataFrame({"A": [1, 2, 3], "B": [4, 5, 6]})
>>> df.rename(columns={"A": "a", "B": "c"})
a c
0 1 4
1 2 5
2 3 6
Example 2: python how to rename columns in pandas dataframe
pandas_dataframe.columns = ['list', 'of', 'column', 'names']
pandas_dataframe.rename(columns={'column_name_to_change':'new_name'})
pandas_dataframe.index = ['list', 'of', 'row', 'names']
pandas_dataframe.rename(index={'row_name_to_change':'new_name'})
Example 3: rename column name pandas dataframe
df.rename(columns={"old_col1": "new_col1", "old_col2": "new_col2"})
Example 4: renaming headers pandasd
df = df.rename(columns={"old_col1": "new_col1", "old_col2": "new_col2"})
Example 5: rename column pandas
df_new = df.rename(columns={'A': 'a'}, index={'ONE': 'one'})
print(df_new)
print(df)
Example 6: Renaming row value in pandas
df['is_blue'] = df['is_blue'].apply(lambda x: 'Yes' if (x == 1) else 'No')
df['is_blue'] = df['is_blue'].map({0: 'No', 1: 'Yes'})