auto save

diy.py

-with open(r'c:\Users\EDZ\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as file:
-    a=file.readlines()
-    for i in a:
-        
+def new_input():
+    tatal = []
+    while True:
+        unit = input("请输入")
\ No newline at end of file
+        if unit == "q" :
+            break
+        else:
+            try:
+                unit = int(unit)
+            except:
+                print("你要输入整数")
+            else:
+                tatal.append (unit)
+            print("="*20)
+    return tatal  
+#-----------------------------------------------------------------------------
+def sum(price):
+    count  = 0
+    for i in price:
+        count += 1
+    return count
+#--------------------------------------------------------------------------------------
+a = new_input()
+b = sum(a)
+print("一共消费：",b,"元")
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ggygyggy.py

+name = "刘强"
+power = 66
+hero = ['赵一',30,'丁二',37,'孙五',52,'王猛',89,'周亮',98]
+for i in range(len(hero)):
+    if i%2==1 and hero[i]>=power:
+         hero.insert(i-1,name)
+         hero.insert(i,power)    
+         break
+print(hero)
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sales_list.txt

-悟空 12 15 11 12 11 12 13 21 27 12 15 30 22 26 15 12 21 23 27 11
-诺依 21 29 15 21 21 21 29 30 12 13 12 12 24 52 27 26 15
-小贝 29 11 11 15 13 15 13 11 11 29 13 11 
-李丽 13 15 20 15 15 11 17 20 20 11 12 12 20
-宋扬 11 11 11 11 15 17 11 20 
-王明 30 27 26 24 29 12 15 11 22 26 23 
-李强 12 12 11 15 11 13 25 26 11 13 15
-孙小白 25 26 12 15 27 30 48 39
-苏琪 15 11 15 15 30 13 27 11 
-刘若若 11 11 13 11 20 15 13 29 24 
-刘阳 11 15 22 11 23 26 22 15 17 52 12
-王胜男 27 15 15 26 13 12 15
-王娇 12 11 12 12 15 35 23 11
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we.py

+name=["杨","张","沈","王","周"]
+a = name[1:3]
+print(a)
+a = name[0:6]
+print(a)
+a = name[:]
+print(a)
+a = name[1:]
+print(a)
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