append empty dataframe pandas code example

Example 1: create empty pandas dataframe

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

Example 2: create an empty dataframe

import pandas as pd
df = pd.DataFrame(columns=['A','B','C','D','E','F','G'])

Example 3: append a dataframe to an empty dataframe

df = df.append(<dataframe_to_be_appended>)