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Created by StemPy LabAsha writes df[df["ie"] > 650 and df["block"] == "p"]. What happens?
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← Two conditions are joined. What does this print? import pandas as pd; df = pd.DataFrame({"sym": ["Rb", "Sr", "In", "Sn", "I"], "block": ["s", "s", "p", "p", "p"], "ie": [403, 549, 558, 709, 1008]}); print(len(df[(df["block"] == "p") & (df["ie"] > 650)]))A column of electronegativities has a gap for xenon. What does this print? import pandas as pd; import numpy as np; en = pd.Series([0.79, 0.95, np.nan, 2.66]); print(en.isna().sum()) →
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