save project

func.py

-def x():
-    tt=0
-    total = []
-    while True:
-        unit= input("请输入：")
-        try:
-            unit=int(unit)
-        except:
-            if unit== 'q':
-                break
-            else:
-                print("你输入错了")
-        else:
-            total.append(unit)
-            tt=tt+unit
-            
-    print(total)
-    return tt
-a=x()
-print(a)
\ No newline at end of file
+def yuan(r):
+    s=3,14*r*r
+    return s
+print(yuan(0.5))
\ No newline at end of file