1. [代码]冒泡

1. [代码]冒泡    

def randompop():
	import random
	li=[random.randint(1,300) for i in range(20)]
	print li
	for i in range(len(li)):
		for j in range(len(li)):
			if i>j and li[i]>li[j]:
				li[i],li[j]=li[j],li[i]
	print li
	return li

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