# import necessary libraries
import pandas as pd

# define your series
my_series = pd.Series([8, 9, 1, 2, 1, 1, 7, 8, 9, 2,\
                        10, 7, 2, 1, 8, 8, 3, 10, 7, 3])

# use value_counts() function
counts = my_series.value_counts()

# print result
print("Frequency Counts of Items")
print(counts)