import os
thePath = "C:\\testFolder\\"
txt = open("folderTest.txt","w+")

def getFoldersInPath(path):
    folders = []
    for entry_name in os.listdir(path):
        entry_path = os.path.join(path, entry_name)
        if os.path.isdir(entry_path):
            folders.append(entry_name)
    return folders

def writeFoldersToTxtFile():
    folders = getFoldersInPath(thePath)
    for i in folders:
        txt.write(i+'\n')

writeFoldersToTxtFile()

txt.close()
##open the txt file
os.startfile("folderTest.txt")