diff --git a/diy.py b/diy.py new file mode 100644 index 0000000..766b90e --- /dev/null +++ b/diy.py @@ -0,0 +1,19 @@ +#file1=open(r'C:\\Users\\Administrator\\Desktop\\test.txt','w',encoding='utf-8') +#file1.write('小兰:12本') +#file1.write('小丽:13本') +#file1.write('李文:9本') +#file1.write('张伟:16本') +#file1.close() +# with open(r'C:\\Users\\002\\Desktop\\book.txt','r',encoding='utf-8')as file1: +# for data in file1: +# if '小强:12本'in data: +# print('数据在文件中') +new_data=' ' +with open('C:\\Users\\002\\Desktop\\book.txt','r',encoding='utf-8') as fif: + for i in fif: + if '小兰:12本' in i : + i=i.replace('小兰:12本','小兰:14本') + print(i) + new_data=new_data+i +with open('C:\\Users\\002\\Desktop\\book.txt','w',encoding='utf-8') as fif11: + fif11.write(new_data)