dic = {
'name':['alex','wusir','taibai'],
'py9':{
'time':'1213',
'learm_money':19800,
'addr':'CBD',
},
'age':21
}
dic['age'] = 56 #修改
dic['name'].append('日天') #追加
dic['name'][1] = dic['name'][1].upper() #改成大写 WUSIR
print(dic) #{'name': ['alex', 'WUSIR', 'taibai', '日天'], 'py9': {'time': '1213',
# 'learm_money': 19800, 'addr': 'CBD'}, 'age': 56}
#在py9中添加一个键子对
dic['py9']['female'] = 6
print(dic) #{'name': ['alex', 'WUSIR', 'taibai', '日天'], 'py9': {'time': '1213',
# 'learm_money': 19800, 'addr': 'CBD', 'female': 6}, 'age': 56}
info = 'qwe123jhd12hasdk45zxcb'
for i in info:
if i.isalpha(): #查找英文字符
info = info.replace(i,' ') #替换
print(info) # 123 12 45
p = info.split()
print(p) #['123', '12', '45']
print(len(p)) #3