大数据学习笔记7：python 基础学习四 字符串

python 基础学习四  字符串

 

 

#!/usr/bin/python

str = "abcdefgh"

print len(str)

b = [1,2,3,4,5,6,7,8,9,0]
print len(b)

s = "adfafadfaeEGDE"
print s[2:5]

print s.lower()

print s.upper()