How do I concatenate two DataFrames in pandas?
An example of an AI chatbot conversation about concatenating DataFrames in pandas.
How do I concatenate two DataFrames in pandas?
You can use the pd.concat() function to concatenate two DataFrames. Just pass them as a list.
Can you show me an example?
Sure! Here's a simple example:
import pandas as pd
df1 = pd.DataFrame({'A': [1, 2], 'B': [3, 4]})
df2 = pd.DataFrame({'A': [5, 6], 'B': [7, 8]})
result = pd.concat([df1, df2])
print(result)
What if the DataFrames have different columns?
If they have different columns, pd.concat() will fill in missing values with NaN. You can also specify join='inner' to keep only common columns.
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