save project

func.py

-def aaa():
-    total = []
-    while True:
-        unit= input("请输入：")
-        if unit== 'q':
-            break
+i=2
+sum=0
+while i<=100:
+    if i % 2 == 0 :
+        sum+=i
     else:
-            total.append(unit)
-    print(total)    
\ No newline at end of file
+        sum-=i
+    i+=1
+print('sum:',sum)
\ No newline at end of file