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 的 所以使用 s.strip(' ') strip参数放置你不想要的string
3python hash
keys = ['name','age'] value = ['jason','2'] hash = {k:v for k:v in zip(kyes,value)}