初识python代码
1、初识代码
1 x = 3 2 y = 4 3 z = 3*4 4 5 print("x乘以y=", z) 6 7 print("z=", z)
2、Hello,World!
1 C:\Users\Administrator\Desktop\python>python 2 Python 3.7.0 (v3.7.0:1bf9cc5093, Jun 27 2018, 04:59:51) [MSC v.1914 64 bit (AMD6 3 4)] on win32 4 Type "help", "copyright", "credits" or "license" for more information. 5 >>> print("Hello,World!") 6 Hello,World!
3、Windows测试中文显示(python2.x需要指定中文编码:utf-8);python3.x编码更新为Unicode,默认向下兼容所有编码
1 #!-*- coding:utf-8 -*- 2 3 print ("我肚子饿了,想吃饭!")
4、if.....else语句初识
(猜年龄)
1 age_of_princal = 45 2 guess_age = int(input(">>:")) 3 4 if guess_age == age_of_princal: 5 print("Yes,you got it..") 6 else: 7 print("No,it's wrong!")
判定成绩
1 score = int(input("score:")) 2 3 if score > 90: 4 print("A") 5 elif score >80: 6 print("B") 7 elif score >70: 8 print("C") 9 elif score > 50: 10 print("D") 11 else: 12 print("你挂科啦")