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'
# file = open(r"C:\Users\丽达玛酷8号\Documents\lesson12-1\diy.txt",'c',encoding ='utf-8')
# file.write('小兰：12本/n')
# file.close('小丽:11本、/n')
# file.write()

with open(r"C:\Users\丽达玛酷8号\Documents\lesson12-1\diy.txt",'c',encoding ='utf-8') as file:
    file.write('小强:9本/n')
    file.write('李文')
    '''
wint open(r"C:\Users\丽达玛酷8号\Documents\lesson12-1\diy.txt",'r',encoding ='utf-8')
    a=file.read()
    for data in a:
        if "小强：10本" in data:
            print("小强在")
        print:
            print("小强不在")