if elif else
今天学习了if语句,包括if - else, if -elif - else, 以及测试多个条件
学习代码如下,参考书籍主要为《pyhton 从入门到实践》
1 # -*- coding: utf-8 -*- 2 """ 3 Created on Wed Feb 20 18:42:20 2019 4 5 @author: ZCL 6 """ 7 8 #学习 if 语句 9 cars=['bmw','Aodi','dazhong','toyota'] 10 for car in cars: 11 car=car.lower() 12 if car=='aodi': 13 print car.title() 14 elif car=='bmw': 15 print car.title() 16 number=[1,2,3,4,5] 17 for i in number: 18 if i==3: 19 print ("find 3!"),"", 20 else: 21 print("No 3!"),"", 22 #使用and测试多个条件 23 print "\n" 24 j=int(raw_input()) 25 while j>=10 and j<=100: 26 print "liangweishu" 27 j=int(raw_input()) 28 print "bushiliangweishu" 29 # if-elif-else 语句 30 age = 12 31 if age < 4: 32 print("Your admission cost is $0.") 33 elif age < 18: 34 print("Your admission cost is $5.") 35 else: 36 print("Your admission cost is $10.") 37 #更简洁 38 age=12 39 if age<4: 40 price=0 41 elif age<18: 42 price=5 43 else: 44 price=10 45 print "Your admission cost is $"+str(price) 46 #测试多个条件(使用lower获取小写) 47 #使用了多个if-else语句 48 cars=[] 49 Cars=['bmw','Aodi','dazhong','toyota'] 50 for car in Cars: 51 car=car.lower() 52 cars.append(car) 53 print cars 54 if 'bmw' in cars: 55 print "Have bmw" 56 if 'aodi' in cars: 57 print "Have aodi" 58 else: 59 print "Have not aodi" 60 if 'dongfeng' in cars: 61 print "Have dongfeng" 62 else: 63 print "Have not dongfeng" 64 65
执行结果:
并且重新复习了遍历列表 ,以及向空列表里添加元素