python学习第8天

#崔鑫阳 2019.2.26
# legb
# l->local      局部
# e->enclose    嵌套区域
# g->globals     全局
# b->buit_in     内置

legb

l->local   局部
e->enclose 嵌套区域
g->global   quanju
b->buit_in  neizhi
a=100
b=2
c=1
def i():
    b=100
    def j():
        c=200
        print(c)
        print(b)
        print(a)
        print(max)
    j()
i()
dic={
    "001":{"name":"韩愈"  ,"No.":"1","年代":"唐"},
    "002":{"name":"柳宗元","No.":"2","年代":"唐"},
    "003":{"name":"骆宾王","No.":"3","年代":"宋"},
    "004":{"name":"欧阳修","No.":"4","年代":"宋"},
    "005":{"name":"苏轼"  ,"No.":"5","年代":"宋"}
}
def zengjia(k,d):
    dic[k]=d
k=input("输入编号")
d=input("输入字典")
for i in dic:
    if i==k:
        print("congfu")
        break
else:
    zengjia(k,d)
print(dic)
def zj(k,d):
    dic[k]=d
k=input("shuru")
d=input("shuru")
for i in dic:
    if i==k:
        print("congfu")
        break
else:
    zj(k,d)
print(dic)

def zj(k,d):
    dic[k]=d
k=input("shuru")
d=input("shuru")
for i in dic:
    if i==k:
        print("congfu")
        break
else:
    zj(k,d)
print(dic)


w=open("d:\\a.txt",'w')#以只写的方式打开d文件下的a.txt文件
w.write("I love U")#输入文字
w.close()#关闭

w=open("d:\\a.txt",'w')
w.write("i o u")
w.close()

w=open("d:\\a.txt",'w')
w.write("uoi")
w.close()

w=open("a.txt",'a+')#以只写的方式打开d文件下的a.txt文件
w.write("I love U")#输入文字
w.seek(0)
a=w.read(8)
print(a)
w.close()#关闭

w=open("a.txt",'w+')
w.write("x,x,x")
w.seek(0)
x=w.read(4)
print(x)
w.close()


w=open("a.txt",'r')#以只读的方式打开d文件下的a.txt文件
content=w.read()
print(content)
w.close()#关闭
w=open("a.txt",'r')
content=w.read()
print(content)
w.close()
w=open("a.txt",'r')
content=w.read()
print(content)
w.close()


w=open("a.txt",'r',encoding='utf-8')#以只读的方式打开d文件下的a.txt文件
content=w.readlines()
print(content)
w.close()#关闭
w=open("a.txt",'a',encoding='utf-8')#以只写的方式打开d文件下的a.txt文件
w.write("\n")
w.write("\n")
w.write("打扰了\n")#输入文字
w.write("\n")
w.write("gun")
w.close()#关闭

w=open("a.txt",'r',encoding='utf-8')
content=w.read()#中文2-3个字符位
# print(content)
# print(w.tell())
w.seek(2,0)#第一个为偏移量，第二个为偏移方向，0是从头，1是当前，2是结尾
print(content)
w.close()
w=open("b.txt",'w',encoding='utf-8')
w.close()
import os
os.rename("c.txt","cc.txt")
import os
os.remove("b.txt")
os.mkdir("lala",0x777)
print(os.getcwd())#显示目录的路径
os.rmdir('lala')#删除目录
print(os.path.exists("lala"))
print(os.path.exists("c.txt"))
os.removedirs(("a//b//c"))

def x(n):
    for i in range(n):
        yield i


a=x(1000)
print(next(a))
print(next(a))
print(next(a))
print(next(a))

def x(n):
    for i in range(n):
        yield  i
a=x(1000)
print(next(a))
print(next(a))
print(next(a))
print(next(a))

def x(n):
    for i in range(n):
        yield i
a=x(1000)
print(next(a))
print(next(a))
print(next(a))
def x(n):
    for i in range(n):
        yield i
a=x(1000)
print(next(a))
print(next(a))
print(next(a))
print(next(a))

import time
def sj(x):
    def neibu():
        start=time.time()
        x()
        end=time.time()
        print(end-start)
    return neibu
@sj
def i():
    for l in range(123):
     print('1,2,3',end='')
i()
import time
def sj(x):
    def niebu():
        start=time.time()
        x()
        end=time.time()
        print()
        print(end-start)
    return niebu
@sj
def i():
        print('1,2,3',end='')
i()
def xu(name):
    def nb(cs):
        print("**************************")
        name(cs)
        print("**************************")
    return nb
def dd(name):
    def nb(cs):
        print("——%￥#￥%……%￥#￥%——")
        name(cs)
        print("——%￥#￥%……%￥#￥%——")
    return nb
@dd
@xu
def y(name):
    print('      ',name,"牛批")
y("GOD C")
def x(name):
    def nb(c):
        print(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>")
        name(c)
        print(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>")
    return nb

def d(name):
    def nb(c):
        print("<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<")
        name(c)
        print("<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<")
    return nb

@d
@x
def i(name):
    print("     ",name)
i("6666666666")

def x(name):
    def nb(c):
        print(">>>>>>>>>>>>>>>")
        name(c)
        print(">>>>>>>>>>>>>>>")
    return nb
def t(name):
    def nb(c):
        print(">>>>>>>>>>>>>>>")
        name(c)
        print(">>>>>>>>>>>>>>>")
    return nb
@t
@x
def i(name):
    print("      ",name)
i("9292929")

def x(b):
    a=2
    def nb (c):
        d=a*b+c
        return d
    return nb
t=x(3)
print(t(5))
print(t(7))

def x(b):
    a=2
    def nb(c):
        d=a*b+c
        return d
    return nb
t=x(3)
print(t(5))


def x(b):
    a=2
    def nb(c):
        d=a*b+c
        return  d
    return nb
t=x(3)
print(t(5))