auto save

3.py

@@ -4,3 +4,6 @@ print(list(a))
 c=list(a)
 b=''.join(c)
 print(len(b))
+str1="本节课我们学习文字加密"
+str2="用python进行"
+print(str1[:7]+str2+str1[7:])
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3py

-a="python"
-print(list(a))
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+count =0
+while True:
+    print("count的值为:"+str(count))
+    if count ==5:
+    
+
+

4.py

+
+count =0
+while True:
+    count+=1
+    
+    if count ==5:
+        continue   
+    if count ==10:
+        break 
+    print("count的值为:"+str(count))
+import random
+a=0
+b=0
+c=0
+for i in range(3000):
+    x=random.randint(8,10)
+    if x==8:
+        a+=1
+    if x==9:
+        b+=1
+    if x==10:
+        c+=1
+print(a,b,c)
+a={'第一格':'猪八戒'}
+a['第一格']='唐三藏'
+a['第二格']='假行者'
+a['第三格']='沙和尚'
+a['第四格']='猪八戒'
+print(a)
+print(a['第四格'])
+dict={'name';'小明'}