Day2:數據運算
阿新 • • 發佈:2017-10-18
es2017 wan -1 != png .com 技術分享 cnblogs 註意
一、算數運算
如:
#!/usr/bin/env python # -*- coding:utf-8 -*- # Author:Hiuhung Wan print(10%2) #求模(取模) # 0 print(11%2) # 1 print(8%2.5) #0.5 print(10//3) #取整除 # 3 print(-10//3) # -4
二、比較運算
註意:不等於一般用 != ,別用 <>
三、賦值運算
四、邏輯運算
五、成員運算
#!/usr/bin/env python # -*- coding:utf-8 -*- # Author:Hiuhung Wan a = [1,2,3,4] print(1 in a) #True print(0 in a) #False print(0 not in a) #True
六、身份運算
#!/usr/bin/env python # -*- coding:utf-8 -*- # Author:Hiuhung Wan a = [1,2,3,4,5] print(type(a) is list) #True print(type("123") is str) #True print(type(123) is int) #True print(type("123") is not int) #True
七、位運算
如:
Day2:數據運算