inp = input('请输入你要导入的模块：')

mokuai = __import__(inp)  #import xml as mokuai

print(mokuai.__doc__)

import re

str_func = input('请输入你要执行re下的方法：')

tar_func = getattr(re,str_func)

print(tar_func) #打印找到函数的内存地址

import re

str_func = input('请输入你要执行re下的方法：')

tar_func = getattr(re,str_func,None)  #找到了就返回函数，没有找到就返回None，不设置None,没找到就报错

print(tar_func) #打印找到函数的内存地址

import re

ret1 = hasattr(re,'match')

print(ret1)

ret2 = hasattr(re,'fjfijajfojg')

print(ret2)

r = hasattr(commons,'age')

print(r)  #False

setattr(commons,'age',lambda a:a + 1)

r = getattr(commons,'age')  #没报错

ret = r(1)

print(ret)

from lib import account

url = input('请输入url:')

inp = url.split('/')[-1]

if hasattr(account,inp):

    func = getattr(account,inp)

    func()

else:

    print('')

url = input('请输入url：')

target_module,target_func = url.split('/')

m = __import__('lib.'+target_module,fromlist=True)

if hasattr(m,target_func):

    tar_func = getattr(m,target_func)

    r = tar_func()

    print(r)

else:

    print('')