mcnuggets.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'
new_data=''
with open (r'C:\Users\wangb\OneDrive\桌面\yogurt.txt','r',encoding='utf-8') as file2:
    for data in file2:
        if 'muffinisyogurt' in data:
            data=data.replace('muffinisyogurt','muffinisyogurtiswrong')
        if 'muffin4' in data:
            data=data.replace('muffin4','muffin5')
        new_data +=data

with open (r'C:\Users\wangb\OneDrive\桌面\yogurt.txt','w',encoding='utf-8') as file2:
    file2.write(new_data)
with open (r'C:\Users\wangb\OneDrive\桌面\yogurt.txt','r',encoding='utf-8') as file2:
    a=file2.read()
    print(a)