save project

diy1.py

-with open(r'C:\Users\bellcode\Desktop\myfile2.txt','a',encoding='utf-8')as file:
-    file.write('李飞:18\n')
\ No newline at end of file
+with open(r'C:\Users\bellcode\Desktop\myfile2.txt','r',encoding='utf-8') as file:
+    for i in file:
+        if '小鬼:24' in i:
+            print('数据在txt文件中')
\ No newline at end of file

diy4.py

 for i in range(1,10):
     for j in range(1,i+1):
-        print(str(j)+"*"+str(i)+"="+str(j*i),end="\t")
+        print(str(j)+"×"+str(i)+"="+str(j*i)+"|",end="\t")
     print()
\ No newline at end of file

diy5.py

+import turtle as t
+a=(200**2*2)**0.5
+
+t.left(90)
+t.circle(100,225)
+t.fd(a)
+t.up()
+t.goto(0,0)
+t.fd(200)
+t.down()
+t.left(90)
+t.circle(100,225)
+t.fd(a)    
+t.done()

diy7.py

+with open(r'C:\Users\bellcode\Desktop\myfile.txt','r',encoding='utf-8') as file1:
+    for i in file1:
+        if '小鬼:24' in i:
+            print('数据在txt文件中')
\ No newline at end of file