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:\nhy123')
for i in res:
    s1=int(i[-1])
    if s1%2==0:
        abs_path=r'd:\nhy123\test%s\a.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