import pandas as pd

summary = {
    'Quarter': ['Q1', 'Q2', 'Q3', 'Q4'],
    'Cost':    [23500, 34000, 57000, 32000],
    'Revenue': [40000, 40000, 40000, 40000]
}

df = pd.DataFrame(summary)

print("Entire Dataset:\n",df)
print("Quarter:\n",df.Quarter)
print("Cost:\n",df.Cost)
print("Revenue:\n",df.Revenue)

