摘要：【oracle】【demo】利用dbms_sql包执行动态SQL 【建表】 --drop table t_employee cascade constraints; --drop table t_employee_salary cascade constraints; create table t_ 阅读全文

摘要：【demo】Python递归 #!/usr/bin/python # coding=utf-8 import os #递归求 1+2+3+...+100 之和 s=0 def add(i,step,end_num): global s print("s=",s, "i=",i) s=s+i i=i+ 阅读全文