import pandas as pd df: pd.DataFrame = pd.read_csv("avocado.csv") # index of dataframe print(df.index) # set index in dataframe df.set_index("Date", inplace=True) # or set index this ways # df = df.set_index("Date") # print index print(df.index)
References
https://pythonprogramming.net/introduction-python3-pandas-data-analysis/