split 函数自己实现

要求自己实现split函数

def mySplit(str,delimiter):
	result = []
	start = 0
	pos = str.find(delimiter, start)
	
	while pos>0:
		result.append(str[start:pos])
		start = pos + 1
		pos = str.find(delimiter, start)
		print pos

	if start<len(str):
		result.append(str[start:])

	return result