In [1]: import difflib

In [2]: cityarea_list = ['市北区', '市南区', '莱州市', '四方区']
# 正常情况下,我是这么用的
In [3]: a = difflib.get_close_matches('市北',cityarea_list,1, cutoff=0.7)

In [4]: a
Out[4]: ['市北区']
# 测试关键字改为市区,且要求返回相似度最高的两个元素
In [5]: a = difflib.get_close_matches('市区',cityarea_list,2, cutoff=0.7)

In [6]: a
Out[6]: ['市南区', '市北区']
# 测试关键字改为市区, 要求返回相似度最高的一个元素
In [7]: a = difflib.get_close_matches('市区',cityarea_list,1, cutoff=0.7)

In [8]: a
Out[8]: ['市南区']

a=['时间1', '时间2', '时间3', 'ab','asds']
dd = [i for i,x in enumerate(a) if x.find('s')!=-1]
print(dd)