python 保存list，map方法

1. 保存list

import numpy as np

a = [1,2,3,4,5]

np.save("number.npy", a)

k = np.load("number.npy")

2. 保存map

import json

data = {}

data["a"] = 1

data["b"] = 2

# Writing JSON data
with open('data.json', 'w') as f:
    json.dump(data, f)

# Reading data back
with open('data.json', 'r') as f:
    data = json.load(f)