auto save

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'
-file1=open(r"C:\Users\123\Desktop\test.txt",'w',encoding='utf-8')
-file1.write("李文：99本\n")
-file1.write('小丽：11本\n')
-file1.write('小兰：12本\n')
-file1.write('小兰：12本\n')
-file1.write('张伟：16本\n')
+file1=open(r"C:\Users\123\Desktop\test.txt",'r',encoding='utf-8')
+a=file1.read()
+print(a)
 file1.close()
 
-
-
 with open(r"C:\Users\123\Desktop\test.txt",'r',encoding='utf-8') as file1:
-    a=file1.readline()
+    a=file1.read()
     print(a)
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发发发发发发付付付付付付付付付付付付付付付付付付付付.py

+#file1 = open(r"C:\Users\123\Desktop\test.txt",'r',encoding='utf-8')
+#file1 = open(r"C:\Users\123\Desktop\test.txt",'r',encoding='utf-8')
+#a = file1 . read( )
+#print( a )
+#file1.close(                                           )
+
+
+
+
+# with open (r"C:\Users\123\Desktop\test.txt",'r',encoding='utf-8') as file1:
+#     a = file1 . read()
+#     print ( a )
+
+
+
+with open (r"C:\Users\123\Desktop\test.txt",'r',encoding='utf-8') as file1:
+    for data in file1:
+        if'big:10':
+            print('在里面')
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