怎么获取 [ ]中的字符串或者数字
http://stackoverflow.com/questions/4894069/python-regex-help-return-text-between-parenthesis
例程：
[[ 1.1916991]]
[[ 0.87677399]]
[[ 0.69110944]]
[[ 0.65589256]]
def readTxtToList():
fp_read = open("readTest.txt", "r")
readNum = []
for line in fp_read:
readNum = line[line.find("[")+1:line.find("]")]
print readNum
readNum = readNum[readNum.find("[")+1:]
print readNum
fp_read.close()
readTxtToList()
原文：http://www.cnblogs.com/hope100/p/4036469.html