python change name of one column code example

Example 1: python: change column name

df = df.rename(columns = {'myvar':'myvar_new'})

Example 2: change name of column pandas

#df.rename() will only return a new df with the new headers
#df = df.rename() will change the heders of the current dataframe 
df = df.rename(columns={"old_col1": "new_col1", "old_col2": "new_col2"})