diy.py

# 写入同学们的捐赠明细：'小兰：12本'、'小丽：11本'、'李文：9本'、'张伟：16本'
a=open(r"C:\Users\EDZ\Desktop\test.txt","a",encoding="utf-8")
a.write("杰瑞老师大XX\n")
a.write("我是大帅哥")
with open(r"C:\Users\EDZ\Desktop\test.txt","r",encoding="utf-8") as b:
    for i in b:
        if "我是大帅哥" in i:
            print("yes")
        else:
            print("NO")