Pandas DataFrame keys() Method
Example
Return the column names of the DataFrame:
import pandas as pd
data = {
"firstname": ["Sally", "Mary",
"John"],
"age": [50, 40, 30]
}
df = pd.DataFrame(data)
print(df.keys())
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Definition and Usage
The keys() method returns a Index object
with the column names.
The Index object is like a list, with the column names as list items.
Syntax
dataframe.keys():
Parameters
The keys() method takes no parameters.
Return Value
An Index object with the columns names.
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