pandas empty dataframe with column names code example

Example 1: blank dataframe with column names

df = pd.DataFrame(columns = column_names)

Example 2: create empty pandas dataframe

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

Example 3: initialize pandas dataframe with column names

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