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Informatics Practices

Write code that just produces single True/False as a result for the presence of missing values in whole DataFrame namely df.

Python Pandas

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Answer

import pandas as pd
data = {'A': [1, 2, None, 4], 'B': [None, 5, 6, 7], 'C': [8, 9, 10, 11]}
df = pd.DataFrame(data)
has_missing_values = False

for column in df.columns:
    for value in df[column]:
        if pd.isnull(value):
            has_missing_values = True
            break
print(has_missing_values)

Output

True

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