save project

1234567890.py

+def n_input():
+    t = []
+    while True:
+        r = input('请输入：')
+        if r =='q':
+            break
+        else:
+            try:
+                r = int(r)
+            except:
+                print('请输入一个数字')
+            else:
+                t.append(r)
+            finally:
+                print('='*30)
+    return t               
+def sum(r):
+    c = 0
+    for i in r:
+        c = c + i
+    return c
+p = n_input()
+y = sum(p)
+print('你一共消费了' + str(y) + '元')
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