1,运行超市抹零结账行为
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("实收金额为:" + money_real_str)
运行代码结果:
2. 计算学生成绩的分差和平均分
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("3门课的平均分:" + str(avg) + "分")
运行代码结果:
3.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的结果:" + str(python < english)) print("python > english的结果:" + str(python > english)) print("python == english的结果:" + str(python == english)) print("python != english的结果:" + str(python != english)) print("python <= english的结果:" + str(python <= english)) print("python >= c的结果:" + str(python >= c))
运行代码结果:
4.手机店打折活动
print("\n手机店正在打折,活动进行......") 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):")) #判断是否符合活动参与条件 if (strWeek == "星期二" and (intTime >= 10 and intTime <= 11)) or (strWeek == "星期五" and (intTime >= 14 and intTime <= 15)): print("恭喜您,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,期待下次活动......")
运行代码截图:
5.补充,新建一个文件,并保存一段话。2.6.2
fp = open(r'D:\mot.txt','a+') print('命运给予我们的不是失望之酒,而是机会之杯,学号后四位是3036',file = fp) fp.close()
运行代码截图:
标签:real,读书笔记,python,money,str,english,print,第二章 From: https://www.cnblogs.com/lhtt/p/16898508.html