add a numpy array to dataframe in python

main.py
import pandas as pd
import numpy as np

# create a numpy array
np_arr = np.array([1, 2, 3, 4, 5])

# create a pandas dataframe
df = pd.DataFrame({'A': ['foo', 'bar', 'foo', 'bar', 'foo'],
                   'B': ['one', 'one', 'two', 'three', 'two']})

# add the numpy array to the dataframe as a new column
df['C'] = np_arr

# print the dataframe
print(df)
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16 lines

main.py
     A      B  C
0  foo    one  1
1  bar    one  2
2  foo    two  3
3  bar  three  4
4  foo    two  5
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