save project

diy.py

+# filter=open(r'C:\Users\Administrator\Desktop\py.txt','w',encoding='utf-8')
+# filter.write('小兰：12本\n')
+# filter.write('小丽：11本\n')
+# filter.write('李文：9本\n')
+# filter.write('张伟：16本\n')
+# filter.close()
+
+
+# filter=open(r'C:\Users\Administrator\Desktop\py.txt','a',encoding='utf-8')
+# filter.write('小贝：22本\n')
+# filter.write('小利：13本\n')
+
+
+# with open(r'C:\Users\Administrator\Desktop\py.txt','a',encoding='utf-8')as filter:
+    # filter.write('小1：32本\n')
+    # filter.write('小2：19本\n')
+
+
+# filter=open(r'C:\Users\Administrator\Desktop\py.txt','r',encoding='utf-8')
+# a=filter.read()
+# print(a)
+# filter.close()
+
+
+# with open(r'C:\Users\Administrator\Desktop\py.txt','r',encoding='utf-8')as filter:
+    # a=filter.read()
+    # print(a)
+
+
+# with open(r'C:\Users\Administrator\Desktop\py.txt','r',encoding='utf-8')as filter:
+#      for data in filter:
+#          if'小兰：12本'in data:
+#              print('在')
+
+# new_data=''
+# with open(r'C:\Users\Administrator\Desktop\py.txt','r',encoding='utf-8')as filter:
+#     for data in filter:
+#         if'小兰：12本'in data:
+#             data=data.replace('小兰：12本','小兰：15本')
+#         new_data +=data
+#         if'小利：13本'in data:
+#                     data=data.replace('小利：13本','小利：23本')
+#         new_data +=data
+
+# with open(r'C:\Users\Administrator\Desktop\py.txt','w',encoding='utf-8')as filter:
+#     filter.write(new_data)
+
+
+# with open(r'C:\Users\Administrator\Desktop\py.txt','r',encoding='utf-8')as filter:
+#     a=filter.read()
+#     print(a)
\ No newline at end of file