dataframe column contains string
df[df['A'].str.contains("hello")]dataframe column contains string
df[df['A'].str.contains("hello")]check if value is in series pandas
In [21]: s.unique()
Out[21]: array(['a', 'b', 'c'], dtype=object)
In [22]: 'a' in s.unique()
Out[22]: Truepandas check if any of the values in one column exist in another
df["exists"] = df.drop("target", 1).isin(df["target"]).any(1)
print(df)
target A B C exists
0 cat bridge cat brush True
1 brush dog cat shoe False
2 bridge cat shoe bridge TrueCopyright © 2021 Codeinu
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