os 模块
#把末尾是偶数的文件夹中，创建一个a.txt，往里面随便写点东西
import os
res=os.listdir(r'd: hy123')
for i in res:
s1=int(i[-1])
if s1%2==0:
abs_path=r'd: hy123 est%sa.txt'%s1
with open(abs_path,'w',encoding='utf-8') as f:
f.write("1233")
print(os.path.isdir('.'))#判断是否是文件夹
#把末尾是偶数的文件夹中，创建一个a.txt，往里面随便写点东西
import os
res=os.listdir(r'd: hy123')
for i in res:
s1=int(i[-1])
if s1%2==0:
abs_path=r'd: hy123 est%sa.txt'%s1
with open(abs_path,'w',encoding='utf-8') as f:
f.write("1233")
print(os.path.isdir('.'))#判断是否是文件夹