make index as column pandas code example

Example 1: pandas convert index to column

df.reset_index(inplace=True)

Example 2: set index to column pandas

df = df.set_index('col')
df['col'] = df.index

Example 3: pandas create a column from index

df.reset_index(level=0, inplace=True)

Example 4: define a column as index pandas

myDataFrame.set_index('column_name')