how to change the header of a dataframe code example

Example 1: how to change a header in pandas

# Can just use df.columns to rename

>>> df = pd.DataFrame({'$a':[1,2], '$b': [10,20]})
>>> df.columns = ['a', 'b']
>>> df
   a   b
0  1  10
1  2  20

Example 2: python update header row

new_header = df.iloc[0] 

df = df[1:] 

df.columns = new_header