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Concatenate Values of Two DataFrames

Let's find out how concatenation works in a pandas DataFrame.

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Try it yourself

Try executing the code below to see the result.

Python 3.8
import pandas as pd
df1 = pd.DataFrame([[1, 2], [3, 4]], columns=['a', 'b'])
df2 = pd.DataFrame([[5, 6], [7, 8]], columns=['b', 'c'])
df = pd.concat([df1, df2])
print(df.dtypes)

Explanation

If we look at the dtypes of df1 and df2, we’ll ...