#!/usr/bin/env python

# coding:utf-8

# 不用format方法，使用%s 和%d

name = 'Tom'

age = 100

msg = "%s is a good man, 你可以活到 %d 岁." % (name,age) # %d 只能传数字，所以用%s 最方便

print(msg)

# 对字符串截取

title = "全国各省市平均物价上涨了30%"

ms = "今天的重要新闻是：%.9s" % title  # 截取了9位，可以用来控制长度

print(ms)

# 打印浮点数

tpl = "今天收到了%.2f 块钱" % 99.325452 #只保留2位小数且四舍五入

print(tpl)

# 打印百分比 用%%

tpl = "已完成%.2f%% " % 99.325452 #只保留2位小数且四舍五入

print(tpl)

# 使用传字典的方式

tmp = "I am %(name)s age %(age)d" % {"name":'Elly','age':88}

print(tmp)

tp = "I am \033[45;1m%(name)+20s\033[0m age %(age)d" % {"name":'Elly','age':88}

print(tp)

print('root','x','','',sep=':')

#!/usr/bin/env python

# coding:utf-8

tpl = "i am {}, age {}, {}".format("seven", 18, 'alex')

tpl = "i am {}, age {}, {}".format(*["seven", 18, 'alex'])

tpl = "i am {0}, age {1}, really {0}".format("seven", 18)

tpl = 'I am {name}, age {age}, really {name}'.format(name='Tom', age=22) # 传Key

print(tpl)

tpl = 'I am {name}, age {age}, really {name}'.format(**{'name':'Jerry', 'age':33}) # 传字典 两星号相当于将字典转换成上面那行的格式。

print(tpl)

tpl = 'I am {0[0]}, age {1[0]}, really {1[2]}'.format([1,2,3],[11,22,33]) # 传列表

print(tpl)

tpl = 'I am {:s}, age {:d}, really {:f}'.format('Sen',18,88.999) #传字典

print(tpl)

## 本次参考：http://www.cnblogs.com/wupeiqi/articles/5484747.html

l = ["seven", 18]

tpl = "i am {:s}, age {:d}".format(*l) # 星号代表将列表中的元素遍历出来后再传入

print(tpl)

tpl = "numbers: {:b},{:o},{:d},{:x},{:X}, {:%}".format(15, 15, 15, 15, 15, 15.87623, 2)

print(tpl)

#!/usr/bin/env python

# coding:utf-8

import time

# 格式化成2018-03-20 11:45:39形式

print(time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()))

print(time.strftime("%Y-%m-%d %X", time.localtime()))

print(time.strftime("%F %X", time.localtime()))