save project

dhahd.py

-new_date=""
-with open(r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8') as filel:    
-    for data in filel:
-        if '小强：10' in data:
-            data = data.replace("小强：10","小明12")
-            new_date+=data
-        print(new_date)    
-
-
-
-
+chengji=input()
+ls=[]
+a=0
+ls.append(chengji.split())
+while chengji:
+    chengji=input()
+    ls.append(chengji.split())

diy.py

-# 写入同学们的捐赠明细：'小兰：12本'、'小丽：11本'、'李文：9本'、'张伟：16本'
-with open(r'C:\Users\Administfilelrator\Desktop\test.txt','a',encoding='utf-8') as filel:
-    filel.write("小强：10本")
-    filel.write("小明：24")
-

renyuanxinxi.py

+chengji=input()
+ls=[]
+a=0
+ls.append(chengji.split())
+while chengji:
+    chengji=input()
+    ls.append(chengji.split())
+ls.pop(-1)
+for i in ls:
+    a=a+int(i[1])
+a=a/len(ls)
+b={}
+for i in ls:
+    b[i[0]]=i[1]
+ls1=list(b.items())
+ls1.sort(key=lambda x:x[1],reverse=True)
+print("分数最高的学科是{}:{}分数最低的学科是{}:{}平均分是:{:.2f}".format(ls1[0][0],ls1[0][1],ls1[-1][0],ls1[-1][1],a))

txt.py

+with open(r"C:\Users\Administrator\Desktop\sales_list.txt","w",encoding="utf-8")as spas:
+    spas.write("小明")
+    
\ No newline at end of file