save project

d.py

+
+
+
+
+
+
 A=[]
 A=[]
 while True:
 while True:
     a=input("b")
     a=input("b")
     if a=="b":
     if a=="b":
         break        
         break        
     else:
     else:
-        A.append(a)
+        try:
+            a=int(a)
+        except:
+            print("请输入整数") 
+        else:
+            A.append(a)
 print(A)  
 print(A)