from pandas.core.frame import DataFrame
from printheader import print_header # <1>
dataset1 = np.arange(9.).reshape((3, 3)) # <2>
df1 = DataFrame( # <3>
dataset1,
columns=['apple', 'banana', 'mango'],
index=['orange', 'purple', 'blue'])
dataset2 = np.arange(12.).reshape((4, 3)) # <2>
df2 = DataFrame( # <3>
dataset2,
columns=['apple', 'banana', 'kiwi'],
index=['orange', 'purple', 'blue', 'brown'])
print_header('df1')
print(df1) # <4>
print()
print_header('df2')
print(df2) # <4>
print()
print_header('df1 + df2')
print(df1 + df2) # <5>
print_header('df1.add(df2, fill_value=0)')
print(df1.add(df2, fill_value=0)) # <6>
