python基础-03（函数）

Posted 2022-06-10 bishuyu

1.匿名函数

2.global

3.五角数

def getPentagonalNumber(n):
    """
        功能：计算五角数
        参数：n:循环的数值
    """
    return n*(3*n-1)/2
count =0
for n in range(1,101):
    if count <9:
        print( "%.0f "%getPentagonalNumber(n),end="")
        count += 1
    else:
        print( "%.0f"%getPentagonalNumber(n))
        count = 0

4.分片提取

a = ‘<li><a href="http://www.4399dmw.com/haizeiwang/manhua/274923.html">海贼王826话 山治家族姐弟登场</a></li>‘
b = ‘<li><a href="http://www.4399dmw.com/haizeiwang/shipin/271774.html">海贼王燃烧之血超震撼游戏宣传片</a></li>‘
c = ‘<li><a href="http://www.4399dmw.com/haizeiwang/tupian/270215.html">海贼王第80卷SBS新鲜内容大放送！</a></li>‘
d = ‘<li><a href="http://www.4399dmw.com/haizeiwang/donghua/270363.html">海贼王730集  蔓雪莉的奇迹之泪</a></li>‘
e = ‘<li><a href="http://www.4399dmw.com/haizeiwang/juqing/262935.html">50条关于海贼王的小秘密 你都知道哪一些</a></li>‘
f = ‘<li><a href="http://www.4399dmw.com/haizeiwang/shipin/261621.html">尾田荣一郎现场彩页作画过程</a></li>‘
g = ‘<li><a href="http://www.4399dmw.com/haizeiwang/tupian/260698.html">海贼王2016年动画版年历</a></li>‘
h = ‘<li><a href="http://www.4399dmw.com/haizeiwang/tupian/260371.html">海贼王2016年官方月历欣赏</a></li>‘
i = ‘<li><a href="http://weibo.com/xiaduophoto">关注夏多老师微博  实时交流海贼王之道！</a></li>‘
print(a[13:65])
print(b[13:65])
print(c[13:65])
print(d[13:66])
print(e[13:65])
print(f[13:65])
print(g[13:65])
print(h[13:65])
print(i[13:41])

5.计算器

"""
def add(*jisuanqi):
    print(jisuanqi)
a = (1,2,3,4,5,)
x = 0
for i in a:
    x += i
    print(x)
"""
def add(*args):
    sum_ = 0
    if len(args) ==0:
        print(‘无效数字‘)
    else:
        for i in args:
            sum_ += i
    print(sum_)
add(1,2,3,4,5,6,7)

6.下水道

def add(*args):
    print(args)
add(1,2,3,4,5,6,7)

7.注册

global_count = 0
def users():
    u = input(‘username:‘)
    Z = ‘qazwsxedcrfvtgbyhnujmikikolpQAZWSXEDCRFVTGBYHNUJMIKOLP‘
    N =‘1234567890‘
    T =‘.*&^%$#@!~‘
    is_Z = False
    is_N = False
    is_T = True
    for i in u:
        if i in Z:
            is_Z = True
        if i in N:
            is_N = True
        if i in T:
            is_N = False    
    if is_N and is_Z and is_T:
        password()
    else:
        print(‘账号必须含有数字和字母且不能含有特殊字符‘)    
def password():
    password = input(‘password:‘)
    if len(password) < 6:
        print(‘密码必须大于6位‘)
    else :
        tel()
def tel():
    import re
    compile = re.compile(‘str‘)
    compile.search
    compile.findall
    tel = input(‘请输入您的电话号码：‘)
    if len(tel) != 11:
        print(‘电话号码无效~‘)
    else:
        print(‘验证码已经发送‘)
        verify_number()
#产生随机数
def verify_number():
    global global_count
    import random
    import time
    yanzhengma = random.randrange(1000,9999)
    global_count += 1
    start_time = time.time()
    print(‘验证码为： %d‘ % yanzhengma)
    input_ = int(input(‘输入你的验证码：‘))
    end_time = time.time()
    sub_time = end_time - start_time
    if global_count > 2:
        if  sub_time >10:
            print(‘您可萌是一个机器人嗷‘)
            exit()
        print(‘验证码超时，即将重发‘)
  #      time.sleep(3)
        verify_number()
    else:
 #   print(sub_time,type(sub_time))
        if input_ == yanzhengma:
            print(‘注册成功‘)
        #success()
        else:
            print(‘验证码错误‘)
    #return False
#验证码的有效期1分钟
#def success():
#   print(‘恭喜您注册成功‘)
def Start():
    users ()
Start()

8.倒计时

import time
for seconds in range(10,0,-1):
    time.sleep(1)
    print(‘\\033[31m %d秒之后重新发送\\r‘%seconds,end="",flush=True)

9.例子

def jo():
    print(‘zz is a pig‘)
    return 100
res = jo()
print(res)

10.买东西

def check(g):
    商品库=[汽车,火车,飞机]
    if g in 商品库:
        return true
    else:
        return false
def xinxi():
    姓名=input(‘请输入您的姓名：‘)
    电话=input(‘请输入您的电话：‘)
    地址=input(‘请输入您的地址：‘)
    return true
def fahuo():
    return true
    ‘‘‘
def check(g):
    G = [‘汽车‘,‘火车‘,‘飞机‘]
    if g in G:
        Address()
    else:
        return False
def check_information(name,tel,addr):
    is_ok = True
    if name =="" or name ==" ":
        is_ok = False
    if len(tel) != 11:
        is_ok = False
    if addr not in [‘山东‘,‘北京‘]:
        is_ok = False
    return is_ok
def Address():
    name = input(‘name:‘)
    tel = input(‘tel:‘)
    addr = input(‘addr:‘)
    res = check_information(name,tel,addr)
    if res:
        note()
    return False
def note():
    print(‘明天发货‘)
def Start():
    print(‘欢迎光临~‘)
    g = input(‘商品：‘)
    check(g)
Start()

11.循环

import time
i = 1
#phyton最大的软肋是精度丢失
while i !=0:
    time.sleep(1)
    print(i)
    i -= 0.1

12.秒杀

def ms(a):
    b = [‘vip-123‘]
    if a in b:
        print(‘你在我家花的钱真多‘)
    else:
        print(‘你被拉入黑名单了你知道吗‘)