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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' #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'
# file1 = open(r"C:\Users\Administrator\Desktop\test.txt","w",encoding='UTF-8') # file1 = open(r"C:\Users\Administrator\Desktop\test.txt","w",encoding='UTF-8')
# file1.write("'小兰：12本','小丽：11本','李文：9本','张伟：16本'") # file1.write("'小兰：12本','小丽：11本','李文：9本','张伟：16本'")
# file1.close() # file1.close()
with open(r"C:\Users\Administrator\Desktop\test.txt","a",encoding='UTF-8')as file: # with open(r"C:\Users\Administrator\Desktop\test.txt","a",encoding='UTF-8')as file:
file.write("小黄，44本\n") # file1.write("'小黄，44本\n'")
\ No newline at end of file with open(r"C:\Users\Administrator\Desktop\test.txt","r",encoding='UTF-8')as file:
for data in file1:
if '小强:10本' in data:
print('数据在文件中')
if '小兰:12本' in data:
print('数据在文件中')
\ No newline at end of file
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