money_all = 56.75 + 72.91 + 88.50 + 26.37 + 68.51
money_all_str = str(money_all)
print("商品总金额为：" + money_all_str)
money_real = int(money_all)
money_real_str = str(money_real)
print("3144实收金额为：" + money_real_str)

 

 

 

04  计算学生成绩的分差及平均分

python = 95
english = 92
c = 89
sub = python - c
avg = (python + english + c) / 3
print("Python课程和C语言课程的分数之差：" + str(sub) + "分\n")
print("3144的3门课程的平均分：" + str(avg) + "分")

 

 

 

05  使用比较运算符比较大小关系

python = 95
english = 92
c = 89
print("python = " + str(python) +" english = " + str(english) + " c = " + str(c) + "\n")
print("python < english的結果：" + str(python < english))
print("python > english的結果：" + str(python > english))
print("python == english的結果：" + str(python == english))
print("python != english的結果：" + str(python != english))
print("python <= english的結果：" + str(python <= english))
print("3144的english >= c的結果：" + str(python >= c))

 

 

06  参加手机店的打折活动

print("\n手机店正在打折，活动进行中......")
strWeek = input("请输入中文星期（如星期一）：")
intTime = int(input("请输入时间中的小时（范围：0~23）："))
if (strWeek == "星期二" and (intTime >= 10 and intTime <= 11)) or (strWeek == "星期五" and (intTime >= 14 and intTime <= 15)):
    print("恭喜3144，获得了折扣活动参与资格，快快选购吧！")
else:
    print("对不起，您来晚一步，期待下一次活动......")

 

 

2.62

fp = open(r'D:\python.txt','a+')
print("命运给予3144的不是失望之酒，而是机会之杯。",file=fp)
fp.close()