# encoding: utf-8

import sys #导入标准包

from test.test_compare import Cmp

a = 3

b = 4

c = 5.66

d = 8.0

e = complex(c,d)

f = complex(float(a),float(b))

print ('a is type', type(a))

print ("c is type",type(c))

print ("e is type",type(e))

print ("f is type",type(f))

print(a+b)

print(b/c)

print(c/d)

print(c*e)

print(b//a)

print(d//a)

print(sys.float_info)

print("what is your name \ntom") #哈换行

print("你好") #打印中文字符

print(len([1,2,3,12])) #打印长度为有几个元组

abcd_list = ['a--','b--','c--','d--']

print(abcd_list[0])

print(abcd_list[1])

print(abcd_list[2])

print(abcd_list[3])

print(abcd_list[-2]) #打印负向第2个

print(abcd_list[2:]) #打印正向从2开始后的所有的的元组

number_list = [1 ,3 ,5 ,7]

string_list = ['abc' , 'cde' ,'123' ,'java']

hunhe_list = ['小明' ,'12K' ,'12']

print(len(string_list+hunhe_list+number_list)) #打印以上三种列表类型里共有几个元素

print('number_list最大值是:'+ str(max(number_list))) #返回nmber_list 最大值

print(min(number_list)) #返回nmber_list 最小值

print(' 重复打印四次 ' * 4)

print("小明" in [1,2,3,4,"小明"]) #判断 小明  是否在这个列表里面

print('number_list is：' + str(number_list))

print("string_list is：" + str(string_list))

print("hunhe_list is:" + str(hunhe_list))

test1 = number_list[1]

test2 = number_list[3]

test3 = string_list[1]

test4 = hunhe_list[0]

print('{0},{1},{2},{3}'.format(test1,test2,test3,test4)) #利用format 格式打印出各类型列表的值

number_list[1]=30 #修改数字列表序号为1的值为30

print (str(number_list[1]))

del number_list[2] #删除数字列表里的第2个字符

print ('number_list after del '+ str(number_list)) #打印数字列表