"""第 02 课补全练习：读取正文。修改 solve，保持下方检查不变。"""
import math, io, argparse
import torch
from torch import nn
from torch.nn import functional as F
torch.set_num_threads(2)
torch.manual_seed(26)

def solve(record):
    return ''.join(record['paragraphs'])

assert solve({'paragraphs':['春风，','明月。']})=='春风，明月。'
print("本课补全练习通过。")