foder.py

import os
'''
folder_path = 'C:/Users/Administrator/AppData/Roaming/Blender Foundation/Blender/2.90/scripts/addons/AutoMech/Preset'

#path = folder_path.replace("/", "/")
path = os.path.realpath(folder_path)#soft os.path.abspath
os.startfile(path)




for filename in os.listdir(os.getcwd()):
   #with open(os.path.join(os.getcwd(), filename), 'r')
   print(os.path.join(os.getcwd(), filename))
  
   
FileList=''
for filename in os.listdir(os.getcwd()):
   #with open(os.path.join(os.getcwd(), filename), 'r')
   FileList+=' '+filename
print(FileList)
'''


FileList=[]
for file in os.listdir(os.getcwd()):
   #with open(os.path.join(os.getcwd(), filename), 'r')
    filename=file.split('.', 1)
    if len(filename[0]) < 1:
        FileList.append(filename[1])
    else:
        FileList.append(filename[0])
print(len(FileList))


#for i in FileList:
    #print(i)