读书笔记chapter?2

1 #03超市抹零
2 bill=float(input("请输入商品的总价格"))
3 print("{:.0f}".format(bill))

 1 #04成绩分差和平均值
 2 import math
 3 
 4 grade1=int(input())
 5 grade2=int(input())
 6 grade3=int(input())
 7 gap1=abs(grade1-grade2)
 8 gap2=abs(grade2-grade3)
 9 gap3=abs(grade3-grade1)
10 print(f"gap1={gap1},gap2={gap2},gap3={gap3}")
11 def average(*args):
12   return sum(args, 0.0) / len(args)
13 
14 avg=average(grade1,grade2,grade3)
15 print(f"avg={avg}")

1 #05比较运算符大小
2 num1=input()
3 num2=input()
4 print("num1<num2："+str(num1<num2))
5 print("num1>num2："+str(num1>num2))
6 print("num1==num2："+str(num1==num2))
7 print("num1!=num2："+str(num1!=num2))
8 print("num1<=num2："+str(num1<=num2))
9 print("num1>=num2："+str(num1>=num2))

1 #06打折：星期五10：00到14：00打八折和星期六一整天打75折
2 Week=input("请输入星期几：")
3 Time=int(input("请输入你要去的时间"))
4 if Week =="星期五" and (10<=Time<=14):
5     print("八折")
6 elif Week == "星期六" and (0<=Time<=23):
7     print("七五折")
8 else:
9     print("不在打折时间内")

print("3142")