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RSS订阅原创 python txt文件合并
#!/usr/bin/python# -*- coding: UTF-8 -*-import stringfp1 = open("a.txt")a = fp1.read()fp1.closefp2 = open("b.txt")b = fp2.read()fp2.closefp = open("c.txt","w")c = list(a + b)c.sort()s = ""s = s.join(c)fp.write(s)fp.close()有两个磁盘文件 a.txt
2020-12-03 19:38:34
430
原创 python 服务端与客户端
#!/usr/bin/python# -*- coding: UTF-8 -*-import sockets = socket.socket()host = socket.gethostname()port = 1235s.bind((host, port))s.listen(10)while True: c, addr = s.accept() print("链接地址：",addr) c.send(str.encode("1234")) c.close
2020-12-02 16:37:15
357
原创 python 链表运用
#!/usr/bin/python# -*- coding: UTF-8 -*-str = []n = int(input("输入数组个数："))for i in range(n): i += 1 num = int(input("输入第%d个数："%i)) str.append(num)print(str)
2020-12-01 19:31:35
340
原创 python 随机数生成
import randoma = int (random.uniform(1, 20))b = int (random.uniform(1, 20))while a > b: print("a > b, a = %d" % a ) breakelse: print("a <= b, b = %d" % b )随机数生成与判断
2020-11-30 19:53:08
223
原创 python 菱形编写
#!/usr/bin/python# -*- coding: UTF-8 -*-n = int(input("菱形的边长为："))for i in range(1,n+1): for j in range(n - i): print(" ",end="") j += 1 for k in range(2 * i - 1): print("*",end="") k += 1 print ("\n") i +
2020-11-25 16:26:03
1998
原创 python python 判断回文数
#!/usr/bin/python# -*- coding: UTF-8 -*-#回文数r = int(input("请输入判断的数字："))j = str(r)f = Truefor i in range(len(j)//2): if j[i] != j[-i - 1]: f = False breakif f: print("%d是一个回文数"% r)else: print("%d不是一个回文数"% r)// 可以直接整数
2020-11-24 17:57:39
748
原创 python 求s=a+aa+aaa+aaaa+aa...a的值
#!/usr/bin/python# -*- coding: UTF-8 -*-a = int(input("a："))b = int(input("b："))s = []t = 0for i in range(0 , b): t = t + a a = a * 10 s.append(t) # print(t)s = sum(s)print(s)
2020-11-19 19:59:49
3894
原创 python 统计字段的英文字母、空格、数字和其它字符的个数
#!/usr/bin/python# -*- coding: UTF-8 -*-import stringstr = input("输入判断的字符串：")z,k,n,o = 0,0,0,0for i in str: if i.isalpha(): z += 1 elif i.isspace(): k += 1 elif i.isdigit(): n += 1 else: o += 1print("
2020-11-18 15:21:04
905
原创 python 斐波那契数列（黄金分割数列）
def gold(n): if n == 0: return 0 if n == 1: return 1 return gold(n - 1)+gold(n - 2)i = int(input("斐波那契数列位数："))print(gold(i))
2020-11-17 20:15:01
1134
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原创 python 确定天数&比较大小
#确定为第几天year = int(input("请输入年："))month = int(input("请输入月："))day = int(input("请输入日："))months = (0,31,59,90,120,151,181,212,243,273,304,334)if (year > 0)and(0 < month <= 12)and(0 < day <= 31): date = months[month - 1] date += da
2020-11-16 15:16:07
370
原创 python 数据判断&利润表计算
有1、2、3、4个数字，能组成多少个互不相同且无重复数字的三位数？都是多少？#!/usr/bin/python# # -*- coding: UTF-8 -*-def Judge(num): while (num < 0) or (num > 9): print("输入错误，请输入大于等于0，小于10的整数") num = int(input("请再次输入：")) else: return numa = int(inp
2020-11-13 19:55:11
871
原创 python GUI编程tkinter
#!/usr/bin/python# # -*- coding: UTF-8 -*-import ModTkintertop = ModTkinter.Tk()top.mainloop()from ModTkinter import *r = Tk()list = ["HAZY","CC"]movie = ["boy","girl"]listb = Listbox(r)listc = Listbox(r)for i in list: listb.insert(0, i)f
2020-11-12 19:34:53
173
原创 python 多线程实现 threading
# encoding: utf-8#!/usr/bin/pythonimport threadingimport timeimport Queueexit = 0class testthread (threading.Thread): def __init__(self, id, name, counter): threading.Thread.__init__(self) self.threadID = id self.name =
2020-11-11 20:11:06
120
原创 python 操作mysql数据库（增删改查）
#!/usr/bin/python# -*- coding: UTF-8 -*-import pymysql# 打开数据库连接db = pymysql.connect("localhost","root","qq123456","TESTDB" )# 使用cursor()方法获取操作游标cursor = db.cursor()# # 如果数据表已经存在使用 execute() 方法删除表# cursor.execute("DROP TABLE IF EXISTS EMPLOYEE")
2020-11-09 16:41:16
212
原创 Python 正则表达式 findall、re.finditer、re.split
import ref = re.compile(r'\d+') #确定数字str1 = f.findall("ssdadadsad1221121sadsad23321321",11,111)print(str1)str2 = re.finditer(r"\d+","4545sadad545da464d56asa4d6sa4a")for match in str2: print(match.group())print(re.split('\W+', 'hazy,hazy,hazy.')
2020-11-06 16:48:03
511
1
原创 Python 正则表达式 re.sub与re.compile
#!/usr/bin/python# # -*- coding: UTF-8 -*-import renumber = "123-456-789 # test"num = re.sub(r'#.*$',"",number)print("电话：",num)num = re.sub(r"\D","",number)print("phone:",num)def double(math): s = int(math.group('s')) return str(s * 2)p
2020-11-05 20:32:31
2034
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原创 Python 正则表达式 re.match与re.search
#!/usr/bin/python# # -*- coding: UTF-8 -*-import restr = "hazy is very happy"m = re.match(r'(.*) is (.*?) .*',str,re.M|re.I)s = re.search(r'(.*) is (.*?) .*',str,re.M|re.I)if m: print("测试 ",m.group()) print("测试 1", m.group(1)) print("
2020-11-04 20:09:42
214
原创 python 类(Class)初步使用 (下)
#!/usr/bin/python# # -*- coding: UTF-8 -*-class Attribute: public = 0 __private = 0 def variable(self): self.public += 1 self.__private += 1 print(self.__private)c = Attribute()c.variable()c.variable()print(c.publ
2020-11-03 15:01:22
284
1
原创 python 类(Class)初步使用 (中)
#!/usr/bin/python# # -*- coding: UTF-8 -*-class Parent: parentint = 100 def __init__(self): print("调用父类构造函数") def parentfar(self): print("调用父类方法") def setint(self,a): Parent.parentint = a def getint(self):
2020-11-02 20:51:10
208
原创 python 类(Class)初步使用 （上）
#!/usr/bin/python# # -*- coding: UTF-8 -*-class Population: "名单表" people = 0 def __init__(self,name,age): self.name = name self.age = age Population.people += 1 def displaypeople(self): print("总人数：%d"%Popu
2020-10-30 19:12:29
290
原创 python try/except与try/finally使用
#!/usr/bin/pythontry: create = open("test201029","w") create.write("hazy,hazy")except IOError: print("运行错误")else: print("运行成功") create.close()try: create = open("test201029","r") #只给读的权限 create.write("hazy,hazy")except IO
2020-10-29 20:37:29
334
原创 pytho os文件使用浅析
#!/usr/bin/python# # -*- coding: UTF-8 -*-import ostxt = open("test.txt","wb")print("文件名：",txt.name)print("是否已关闭：",txt.closed)print("访问模式",txt.mode)s = "hazy!\nhazy?\n"s = s.encode()txt.write(s)txt.closetxt = open("test.txt","r+")r = txt.rea
2020-10-28 20:26:31
132
原创 python 模块 import相关语句
def printtest( par ): print( "Hello : ", par) return新建一个def，演示调用#!/usr/bin/python# # -*- coding: UTF-8 -*-import supportsupport.printtest("hazy")# from test201022 import printlist## printlist(name = "cc",age = 27)from test201022 import
2020-10-27 21:01:42
183
1
原创 python 函数与部分使用示例
#!/usr/bin/python# # -*- coding: UTF-8 -*-def test(s): print(s) returntest("hazy")def changeint(a): a = 10 returnb = 2changeint(b)print(b)def printlist(name ,age = 27): #缺省参数 print("name: ", name) print("age: ",age) r
2020-10-22 19:48:40
672
原创 python 日期和时间（time&calendar）
#!/usr/bin/python# -*- coding: UTF-8 -*-def mian(): import time import calendar t = time.time() print("当前时间戳为：",t) l = time.localtime(time.time()) print("本地时间为：",l) b = time.asctime(time.localtime()) print("标准时间为：",b)
2020-10-21 19:29:51
177
原创 python 嵌套循环&break与continue区别
#!/usr/bin/python# -*- coding: UTF-8 -*-def main(): print("质数判断：") a = int(input("最小区间： ")) b = int(input("最大区间： ")) while (b < a): print("你输入的最小区间大于最大区间，请输入正确的范围！") break else: for x in range (a, b):
2020-10-20 20:31:51
993
原创 python while 判断使用
#!/usr/bin/python# # -*- coding: UTF-8 -*-def main(): print('while 循环：') a = int(input("请输入你要判断的数字：")) while (a < 0): print('%d是负数'% a) break while (a > 0): print('%d是正数' % a) break else:
2020-10-16 16:31:53
668
原创 python 变量类型&运算符说明
#!/usr/bin/python# coding=utf-8def main(): print("变量类型： 字符串、 列表、元组、字典") hazy = "Hazy Awesome " test = "Wonderful" list = ['a','b' ,'c',1, 2, 3] #列表可赋值 tuple = ('a','b' ,'c',1, 2, 3) #元组不可赋值 dictionaries = { } dictionaries['笑'
2020-10-16 10:31:25
90
原创 python 实心等边三角形&空心等边三角形
#!/usr/bin/python# # -*- coding: UTF-8 -*-def main(): print("实心三角形") solid = int(input("请输入边长为：")) for i in range(0, solid): for j in range(i, solid): print(" ", end='') for k in range(0, i + 1): prin
2020-10-14 20:28:18
1382
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原创 python for...else用法
def forelse(): print("hazy算法\n100以内的质数：") for z in range(1,100): for s in range(2,z): if z%s == 0: # f = z/s # print( '%d 等于 %d * %d '%(z,s,f),end = '') break else:
2020-10-13 21:09:06
318
原创 python for循环小试&range()函数详解
#!/usr/bin/python# -*- coding: UTF-8 -*-def main(): food = ['苹果','香蕉','雪梨','李子'] for i in food: print('水果排序：'+i) print('数到3：') for i in range(1,4): print (i) print('hazy字母：') a = 'hazy' for i in range(len(a)):
2020-10-12 17:26:20
230
原创 python的print与input用法
#!/usr/bin/python# -*- coding: UTF-8 -*-def main(): print("你好，世界") print("这是Hazy\'的问候")#def foo(a,b): a = input("a=") b = input("b=") c = int(a)+int(b) print ('%s 加 %s 等于 %s'%(a,b,c)) if c<50: print("哈哈") eli
2020-10-02 11:43:53
534
原创 python与PyCharm安装环境
python下载链接：www.python.org这个没有什么难的，正常下载即可安装步骤个人觉得注意点，主要就是要勾选 “Add python” ，不然后续可能需要设置参数之类的PyCharm下载链接：官网下载 http://www.jetbrains.com/pycharm/download/#section=windows还有其他资源，需要的可以联系我获取这个也相对简单，只是后续有个解释器需要注意一点点击File，选择settings，选择project: python可能会提示以
2020-09-30 17:55:00
140
Linux I/O 原理和 Zero-copy 技术全面揭秘
2020-11-18
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