# author:hams.ali

 # 界面

 line = '-*'*20

 # 数字直接可以计算

 _var1 = ''

 # 字符变量拼接

 _var_2 = '\n\tmy age is ' + _var1

 # 不可改变数值的组元

 var = (2019, 9, 27)

 # 变量解压

 x , y ,z=(2019, 9, 17)

 print(x,y,z)

 print(line)# 分割

 # 多变量解压

 data = ['ali',  'english', 65, (2019, 9, 17)]

 name, subjet, soce, (year, moth, day) = data

 print('name', 'subjet', 'soce', 'year', 'moth', 'day')

 print(name, subjet, soce, '\t', year, moth, day)

 print(line)# 分割

 record = ['Dave', 'dave@example.com', '773-555-1212', '847-555-1212']

 name, email, *phone_numbers = record

 print('name:{}\nemail:{}\nphone:{}'.\

       format(name, email, phone_numbers))

 print(line)# 分割