import sys, os
import re

folder_path = "static/files/"
olds = "'"
new = ""

def replace(folder_path, old, new):
    for path, subdirs, files in os.walk(folder_path):
        for name in files:
            for old in olds:
                if(old.lower() in name.lower()):
                    file_path = os.path.join(path,name)
                    name = name.lower().replace(old,new)
                    new_name = os.path.join(path,name)
                    print(new_name)
                    os.rename(file_path, new_name)

replace(folder_path, olds, new)