change values of a row pandas code example

Example 1: replace column values pandas

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

Example 2: replace values of pandas column

df.loc[df['column'] == 'column_value', 'column'] = 'new_column_value'

Example 3: pandas find fifth caracter in field and change cell based on that number

data['result'] = data['result'].map(lambda x: x.lstrip('+-').rstrip('aAbBcC'))