#方法一
num_list = [0,1,2,3,4,5,6,7,8,9]
num_list_new = [str(x) for x in num_list]
print (",".join(num_list_new))
#方法二
num_list1 = [0,1,2,3,4,5,6,7,8,9]
num_list_new1 = map(lambda x:str(x), num_list1)
print (",".join(num_list_new1))