import pandas as pd
sdata = {'Ohio': 35000, 'Texas': 71000, 'Oregon': 16000, 'Utah': 5000}
obj1 = pd.Series(sdata)
states = ['California', 'Ohio', 'Oregon', 'Texas']
obj2 = pd.Series(sdata, index=states)
obj3 = pd.isnull(obj2)
下一个陈述怎么可能是真的呢?
x = obj2['California']
obj2['California'] != x
慕的地10843
沧海一幻觉
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