辦法是這樣。
tmps='12,123,1111,133'
tmps=",".join([str(c) for c in [int(c) for c in tmps.split(",")].sort()])
分開寫是這樣
tmps='12,123,1111,133'
str_list=tmps.split(",")
int_list=[int(c) for c in str_list]
int_list.sort()
str_list2=['%s'%c for c in int_list]
output_str=",".joint(str_list2)