save project

diy1.py

+
+import time
+start_time=time.time()
 list1 = []
 for a in range(0, 1000):
     for b in range(0, 1000):
-        list1.insert(0, 0)
\ No newline at end of file
+        list1.append(0)
+end_time=time.time()
+result=(end_time-start_time)
+print("时间差",result)
\ No newline at end of file

gas.py

+def top(num):
+    if num==1:
+        return 1
+    value = num+top(num-1)
+    return value
+print(top(67))
\ No newline at end of file