save project

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'
+filer=open(r'C:\Users\Administrator\Desktop\test.txt','w',encoding='utf=8')
+filer.write("埃隆马斯克:1992389293783本")
+filer.write("埃:193783本")
+filer.close()
+with open(r'C:\Users\Administrator\Desktop\test.txt','a',encoding='utf=8')as filer:
+    filer.write("埃隆马斯克:1992389293783本\n")
+    filer.write("埃:193783本\n")
+with open(r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf=8')as filer:
+    for data in filer:
+        if'埃:193783本'in data
+          print('数据在文件中')
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