auto save

1.py

+#第一关创建函数
+def n_w():
+    total = []
+    while True:
+        unit= input("请输入：")
+        if unit== 'q':
+            break
+        else: 
+            try:
+                unit = int(unit)
+            except:
+                print("number:")
+            else:
+                total.append(unit)
+    return total
+a = n_w()
+print(a)

11.py

+def n_w():
+    total = []
+    while True:
+        unit= input("请输入：")
+        if unit== 'q':
+            break
+        else:   
+            try:
+                unit = int(unit)
+            except:
+                print("请输入数字")
+            else:
+                total.append(unit)
+    print(total)
+n_w()

2.py

+def n_w():
+    total = []
+    while True:
+        unit= input("请输入：")
+        if unit== 'q':
+            break
+        else:   
+            # total.append(unit)
+            try:
+                unit = int(unit)
+            except:
+                print("请重新输入一个数字")
+            else:
+                total.append(unit)
+    
+    return total
+a = n_w()
+print(a)

3.py

+def n_w():
+    total = []
+    while True:
+        unit= input("请输入：")
+        if unit== 'q':
+            break
+        else:   
+            # total.append(unit)
+            try:
+                unit = int(unit)
+            except:
+                print("请重新输入一个数字")
+            else:
+                total.append(unit)
+    # print(total)
+    return total
+a = n_w()
+print(a)
+
+
+#第四关：计算总价
+def sum(b):
+    count = 0
+    for i in b:
+        count = count + i
+    return count
+price = n_w()
+pay = sum(price)
+print("您一共消费了" + str(pay) + "元！扫码还是现金呢？")
+
+
+
+

test.py

-#第一关创建函数
-# def n_w():
-#     total = []
-#     while True:
-#         unit= input("请输入：")
-#         if unit== 'q':
-#             break
-#         else:
-#             total.append(unit)
-#     print(total)
-# n_w()
+# 第一关创建函数
+def n_w():
+    total = []
+    while True:
+        unit= input("请输入：")
+        if unit== 'q':
+            break
+        else:   
+            total.append(unit)
+    print()
+    
+n_w()