怪事了怪事了！！

小涛涛

import os
a = ''
i = 0
import sys
sys.setrecursionlimit(1000)
def find (want_file,want_path):
    os.chdir(want_path)
    allfile = os.listdir()
    global a,i
   
    print(allfile)
    for each in allfile:
        if os.path.isdir(each)==1:
            want_path = os.path.join(os.getcwd(),each)
            a = os.getcwd()
            find(want_file,want_path)
        elif  want_file == os.path.basename(each):
            print(os.path.join(os.getcwd(),each))
    os.chdir(a)
    i += 1
    return 0






while 1:

    want_file = input('请输入待查找的目标文件：')
    want_path = input('请输入需要查找的初始目录：')
    find(want_file,want_path)
    print(i)
这段代码的递归只能走十下！为神马呢？