What does this program print?
Trace the program the way the computer would, then make your call before running anything.
import pandas as pd
df = pd.DataFrame({"city": ["Oslo", "Lima"], "temp": [3, 19]})
print(df["temp"].mean())Trace the program the way the computer would, then make your call before running anything.
import pandas as pd
df = pd.DataFrame({"city": ["Oslo", "Lima"], "temp": [3, 19]})
print(df["temp"].mean())