pandas replace column code example
Example 1: replace column values pandas
df['column'] = df['column'].str.replace(',','-')
df
Example 2: how to change the columns of a dataframe in python
new_columns = {"col1": "1st", "col2": "2nd"}
df_new = df.rename(columns=new_columns)
"""
col1 | col2 | col3 1st | 2nd | col3
a | d | g a | d | g
b | e | h => b | e | h
c | f | i c | f | i
"""
Example 3: replacing values in pandas dataframe
df['coloum'] = df['coloum'].replace(['value_1','valu_2'],'new_value')
Example 4: replace values of pandas column
df.loc[df['column'] == 'column_value', 'column'] = 'new_column_value'