Coder-Coder

代码如下： #coding=utf-8 import random, sys, time from Tkinter import * def timing(out_prefix, func, *args, **kwargs): print("%s:timing start..."%(out_prefix)) t1 = time.time() r = func(*args, **...

代码： def iterrange1(f, c): while f <= c: yield f f += 1 class iterrange2: def __init__(self, f, c): self.f, self.c = f, c def __iter__(self): return self def next(se...