declare an empty dataframe in python code example

Example 1: create empty pandas dataframe

df = pd.DataFrame(columns=['a', 'b', 'c'])

Example 2: python initialise dataframe

import pandas as pd

data = [[0, 0, 0] , [1, 1, 1]]
columns = ['A', 'B', 'C']
df = pd.DataFrame(data, columns=columns)