Commit 7a2de2ec by BellCodeEditor

save project

parent dc22b1a3
Showing with 21 additions and 0 deletions
# 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'
# 打开、创建文件,这里的路径要换成自己哦~
# file1= open(r'C:\Users\lynn\Desktop\book.txt','w',encoding='utf-8')
# # 写入数据
# file1.write('小兰:12本\n')
# file1.write('小丽:11本\n')
# file1.write('李文:9本\n')
# file1.write('张伟:16本\n')
# # 关闭文件
# file1.close()
# with open(r'C:\Users\lynn\Desktop\book.txt','a',encoding='utf-8') as file:
# file.write('小强:10本\n')
# file.write('李明:15本\n')
# 完成修改数据前的遍历和条件判断,找下'小强:10本'在不在数据中,以及小兰的数据'小兰:12本'在不在
with open(r'C:\Users\lynn\Desktop\book.txt','r',encoding='utf-8') as file1:
for data in file1:
if '小强:10本' in data:
print('小强数据在文件中')
if '小兰:12本'in data:
print('小兰数据在文件中')
\ No newline at end of file
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