how to replace in dataframe code example

Example 1: find and replace string dataframe

df['range'] = df['range'].str.replace(',','-')

Example 2: replacing values in pandas dataframe

df['coloum'] = df['coloum'].replace(['value_1','valu_2'],'new_value')

Example 3: pandas dataframe replace inf

df.replace([np.inf, -np.inf], np.nan)