save project

cc.py

+

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'
+# file=open(r'C:\Users\EDZ\Desktop\test.txt','w',encoding='utf-8')
+# file.write('小兰：12')
+# file.write('小丽：11')
+# file.write('李文：9')
+# file.write('张伟：16')
+# file.close()
+
+
+# with open(r'C:\Users\EDZ\Desktop\test.txt','w',encoding='utf-8')as file:
+#     file.write('小强：12\n')
+#     file.write('李明：15\n')
+#     file.write('李问：9\n')
+#     file.write('小强: 16\n')
+
+
+
+new_i=''
+with open(r'C:\Users\EDZ\Desktop\test.txt','r',encoding='utf-8')as file:
+    for i in file:
+        if '小强：10本' in i:
+            i=i,replace('小强：10','小强：11')
+        new_i +=i
+
+with open(r'C:\Users\EDZ\Desktop\test.txt','w',encoding='utf-8')as file:
+    file.write(new_i)
+