今天。。好多不会的,慢慢补充
1、python的二维数组初始化
s = [[0 for i in range(3)]for i in range(3)]
这样就初始了一个3*3的二维数组
= [[0 for in range(col_numbers)] for i in range(rows_numbers)]
2、
with open('test.txt','rb') as f:
s = f.readline()
s的结尾是带着\r\n的
所以使用
s.strip('\r\n')
strip参数放置你不想要的string
3\python hash
keys = ['name','age']
value = ['jason','2']
hash = {k:v for k:v in zip(kyes,value)}