import numpy as np
import pandas as pd

temp = pd.DataFrame({
    "Luzern": ([1, 5, 9, 15, 20, 25, 25]),
    "Basel": ([3, 4, 12, 16, 18, 23, 32]),
    "Zuerich": ([8, 6, 10, 17, 23, 22, 24])},
    index=["jan", "feb", "mar", "apr", "mai", "jun", "jul"]
)

print(temp)

# Index resp. Spaltennamen des temp DataFrames ausgeben
print(temp.columns)

# Durchscnittstemperatur aller Städte
print(temp.mean())

# Alle Temperaturwerte für Basel anzeigen
print(temp.loc[:, "Basel"])

# Temperatur im Februar in Luzern
print(temp.loc["feb", "Luzern"])