from pandas import DataFrame as df
mydf = df([1.1, 1.1, 1.1]).T
arow2 = [2.2, 2.2, 2.2]
mydf.loc[len(mydf)] = arow2
print(mydf)
import pandas as pd
mydf = pd.DataFrame([1.1, 1.1, 1.1]).T
arow2 = [2.2, 2.2, 2.2]
mydf.loc[len(mydf)] = arow2
print(mydf)