# import necessary libraries
import pandas as pd

# define your series
ser1 = pd.Series([1, 2, 3, 4, 5])
ser2 = pd.Series([3, 4, 5, 6, 7])

# convert both series into sets and get non-common elements
result = set(ser1).symmetric_difference(set(ser2))

# print result
print(*result, sep = '\n')