#!/usr/bin/env python

# -*- coding:utf-8 -*-

dic = {

    'name': ['alex', 'wusir', 'taibai'],

    'py9': {

        'time': '',

        'learn_money': 23700,

        'address': 'CBD',

    },

    'age': 21

}

dic['age'] = 56

dic['name'].append('ritian')

print(dic)

dic['name'][1] = dic['name'][1].upper()

print(dic)

# 在py9中新添加一个 KV对 female : 6

print(dic['py9'])

dic['py9']['female'] = 6

print(dic['py9'])

info = input('>>>')

for i in info:

    if i.isalpha():

        info = info.replace(i, ' ')

    else:

        pass

print(info)

L = len(info.split())

print(L)