pandas series

#!/usr/bin/python
# -*- coding: UTF-8 -*-
# @date: 2017/9/27 23:06 
# @name: pandas_test
# @author：vickey-wu

import pandas as pd


data_list = ["a", "b", "?", "c"]
data_dict = {'a': 0.00, 'b': 1, 'c': 2.222}
data_constant = 666
index = ["b", "c", "d", "e", "f"]

s1 = pd.Series(data_dict, index)
s2 = pd.Series(data_constant, index)
print(s1, "data_dict")
print(s2, "data_constant")
print(s1[-2:], "last two data")
print(s1[["c", "d"]], "index c and d's data")

# if data is a dict or constant no need to do follow operation
if len(data_list) < len(index):
    distance = len(index) - len(data_list)
    for i in range(distance):
        data_list.append("no_value")
    s = pd.Series(data_list, index)
    print(s)
if len(data_list) > len(index):
    distance = len(data_list) - len(index)
    for i in range(distance):
        index.append("no_index")
    s = pd.Series(data_list, index)
    print(s)
else:
    s = pd.Series(data_list, index)
    print(s)