CODE EXAMPLE FOR PYTHON

pandas append dataframes with same columns

# import module
import pandas as pd
  
# assign dataframes
data1 = pd.DataFrame([[1, 2, 3], [4, 5, 6], [7, 8, 9]],
                     columns=['A', 'B', 'C'])
  
data2 = pd.DataFrame([[3, 4], [5, 6]],
                     columns=['A', 'C'])
  
# display dataframes
print('Dataframes:')
display(data1)
display(data2)
  
# merge two data frames
print('After merging:')
pd.concat([data1, data2], axis=0)