#coding=utf-8
print "你好,世界"
print 2**10
var =1
print var
##x=input("x:")
##y=input("y:")
##print x*y
print 12+int('1')
print str(12)+"1"
seq="0123456789"
print seq[0]
print seq[-1]
print seq[0:5]
print seq[5:]
print seq[-3:-1]
print seq[-3:]
print seq[:]
print seq[::2]
print seq[::-2]
print seq[9:1:-1]
print [1,2,3]+[4,5,6]
print [1,2,3]*2
print [None]*10
print 1 in [1,2]
data=[0,1,2,3,4,5,6,7,8,9]
data[0]="a"
print data
del data[0]
print data
data[6:]=[8,9,10]
print data
#字符串格式化
print "% 10s" % "------"
print {"title":"title","body":"body"}
print dict(title="title",body="body")
print 'a','b'
#三元运算符
print "10>1" if 10>1 else "unhappened"
for x in range(1,10):
print x
for x in range(1,10,2):
print x
for key in {"title":"title","body":"body"}:
print key
#带索引的遍历
for index,x in enumerate(range(1,10)):
print index,x
#zip 方法
## for x,y in zip(range(1,10),range(1,10)):
## print x,y
if(11==11):
pass
exec('print(x)',{"x":"abc"})
print (eval('x*2',{"x":5}))
print range(len([4,2]))