def add(a,b):
    return a+b
def sub(a,b):
    return a-b
def mult(a,b):
    return a*b
def div(a,b):
    return a/b

import zuoye
a=12
b=13
print('a+b=',zuoye.add(a,b))
print('a-b=',zuoye.add(a,b))
print('a*b=',zuoye.mult(a,b))
print('a/b=',zuoye.div(a,b))

def run(self):
    path=self.path
    files = []
    dirs = []
    for (dirpath, dirnames, filenames) in os.walk(path):
        # files += filenames
        # dirs += dirnames
        # print(files)
        # print(dirs)
        for fn in filenames:
            filepath=os.path.join(dirpath,fn)
            with open(filepath,encoding='utf8')as f:
                text=f.read()
                print(text)

def printRight(Username,Passwords):
Prints the usernames and passwords.
    The two valuse should be right.'''
    if(Username=='seven'):
        if(Passwords==123):
            print("登陆成功!")
        else:
            print("登陆失败！")
printRight('seven',123)
printRight('seven',1234)
print(printRight.__doc__)

def printList(i,sum):
    '''Prints the two numbers.
    The if the one of number is odd ,it should be sub.other number is even,it should be  sum.'''
    while(i<=100):
        if(i%2==0):
            sum+=i
        else:
            sum-=i
        i+=1
    print(sum)
printList(3,0)
printList(2,0)
print(printList.__doc__)

# 将1.4节的练习题的实现都封装到函数中，传入不同的参数进行调用测试
# 实现用户输入用户名和密码，当用户名为 seven且密码为123时，显示登陆成功，否则登陆失败！
def login(Username,Password):
    while True:
        Username = str(input("请输入用户名"))
        Password = int(input("请输入密码"))
        if Username == str("seven") and Password == int("123"):
            print("成功登录")
            break
Username = str(input("请输入用户名"))
Password = int(input("请输入密码"))
login(Username,Password)

# 用while循环实现输出2-3+4-5+6.....+100的和
def sum(if1=100):
    i = s1 = c = 0
    while True:
        i += 1
        if i % 2 == 0:
            s1 += i
        else:
            s1 -= i
        if i == int(if1):
            break
    print(s1 + 1)
if1 = int(float(input("请你输入最后的数字：")))
sum(if1)

def test(str):
    str= input("请输入一个字符串: ")
    if str!='ABC':
        raise NameError('无效输入，请重新输入...')
try:
    test('ABC')
except NameError as e:
    print(e)
else:
    print("yes!")

print("字符串...")
str1='du','ao','ge','hello','word',"hello worde!"
print("原数据为:",str1)
print(str1[1:5])
str2=1,2,3
str1=str2+str1[3:]#将字符串前n个字符替换为指定的字符
print(str1)

print("list...")
list1=[1,2,3,4,5,6,7,8,9,'du','ao','duaoge']
print(list1[::-1])

Username=str(input('请输入用户名:'))
password=int(input('请输入密码:'))
if(Username=='seven'):
    if(password==123):
        print("登陆成功!")
    else:
        print("登陆失败！")

i=2
sum=0
while(i<=100):
    if(i%2==0):
        sum+=i
    else:
        sum-=i
    i+=1
print(sum)

    for i in range(10):
            pool.apply_async(func=Foo, args=(i,),callback=Bar)  #func子进程执行完后，才会执行callback，否则callback不执行（而且callback是由父进程来执行了）
    
    print('end')
    pool.close()
    pool.join() #主进程等待所有子进程执行完毕。必须在close()或terminate()之后。

import time
import os
class Mythread(Thread):
    def __init__(self,path):
        super().__init__()
        self.path=path

    def run(self):
        path=self.path
        files = []
        dirs = []
        for (dirpath, dirnames, filenames) in os.walk(path):
            # files += filenames
            # dirs += dirnames
            # print(files)
            # print(dirs)
            for fn in filenames:
                filepath=os.path.join(dirpath,fn)
                with open(filepath,encoding='utf8')as f:
                    text=f.read()
                    print(text)

filepath=[r'C:\Users\10396\Desktop\新建文件夹',r'C:\Users\10396\Desktop\新建文件夹 (2)']

t=[]
for i in range(2):
    t1=Mythread(filepath[i])
    #print(f'我是主线程{i}')
    t1.start()
    t.append(t1)

for i in t:
    i.join()

    for i in range(10):
        pool.apply_async(func=Foo, args=(i,),callback=Bar)  #func子进程执行完后，才会执行callback，否则callback不执行（而且callback是由父进程来执行了）
    
    print('end')
    pool.close()
    pool.join() #主进程等待所有子进程执行完毕。必须在close()或terminate()之后。

a = 0o101
print("a="+str(a))
b=64
print('b='+str(b))
c=-237
print('c='+str(c))
d=0x80
print('d='+str(d))
e=-0x92
print('e='+str(e))
longint=34252456245724572456723
print('longint='+str(longint))
#1.2.2 布尔型和布尔对象
print(bool(1))
print(bool(True))
print(bool('0'))
print(bool([]))
print(bool((1,)))
foo = 42
bar = foo<42
print(bar)
print(bar+10)
print('%s' %bar)
print('%d' %bar)
#无_nozero_()
class C:pass
c=C()
print(bool(c))
#1.2.3 双精度浮点型
print(0.0)
print(-777.)
print(-5.555567119)
print(96e3 * 1.0)
print(-1.609E-19)
#1.2.4 复数
print(complex(2, 4))
print(1.23e-045+6.7e+089j)
#1.2.5 十进制浮点型
from decimal import *
print("十进制浮点....")
dec=Decimal('.1')
print(dec)
print(Decimal(.1))
print(dec +Decimal(.1))
#1.2.7转换工厂
print("转换工厂....")
print(int(4.2222222))
print(float(4))
print(complex(4)) #复数可以用complex(real,imag)
#1.2.8进制转换
print("进制转换...")
print(hex(255)) #整数类型转换十六进制
print(oct(255)) #整数类型转换八进制 
print(oct(0x111)) #十六进制转换八进制
#1.2.9ASII转换
print("进制转换....")
print(chr(76))  #数字转换字符型
print(ord('L'))  #字符型转换数字
#ceil()是不能直接访问的，需要导入 math 模块，通过静态对象调用该方法。(向上取整)
import math
print ("math.ceil(-45.17):" ,math.ceil(-45.17))
print("math.ceil(100.12):",math.ceil(100.12))
print("math.ceil(100.72):",math.ceil(100.72))
print("math.ceil(math.pi) : ", math.ceil(math.pi))
#floor(x) 返回数字的下舍整数，小于或等于 x。方法同ceil
import math
print("math.floor(-45.17):",math.floor(-45.17))
print("math.floor(100.12):",math.floor(100.12))
print("math.floor(100.72):",math.floor(100.72))
print("math.floor(math.pi):",math.floor(math.pi))
#fabs() 方法返回数字的绝对值
import math
print("math.floor(-45.17):",math.floor(-45.17))
print("math.floor(100.12):",math.floor(100.12))
print("math.floor(100.72):",math.floor(100.72))
print("math.floor(math.pi):",math.floor(math.pi))
#factorial (x)，返回x的阶乘
import math
print("math.factorial(5):",math.factorial(5))
#hypot(),返回欧几里德范数 sqrt(x*x + y*y)。
import math
print("hypot(3,2):",math.hypot(3,2))
print("hypot(-3,3):",math.hypot(-3,3))
print("hypot(0,2):",math.hypot(0,2))
#sqrt(x) 方法返回数字x的平方根。
import math
print("math.sqrt(100):",math.sqrt(100))
print("math.sqrt(7):",math.sqrt(7))
print("math.sqrt(math.pi):",math.sqrt(math.pi))
#pow() 方法返回x的y次方的值。
import math 
print("pow(100,2):",math.pow(100,2))
print("math.pow(100,-2):",math.pow(100,-2))
print("math.pow(2,4):",math.pow(2,4))
print("math.pow(3,0):",math.pow(3,0))
#sqrt(x) x的算数平方根
import math 
print("math.sqrt(4):",math.sqrt(4))
print("math.sqrt(2):",math.sqrt(2))
#log(x) 方法返回x的自然对数，x > 0。 
import math
print("math.log(100.12):",math.log(100.12))
print("math.log(100.72):",math.log(100.72))
print("math.log(math.pi):",math.log(math.pi))
#log10() 方法返回以10为基数的x对数，x>0。
import math
print("math.log10(100.12):",math.log10(100.12))
print("math.log10(100.72):",math.log10(100.72))
print("math.log10(math.pi):",math.log10(math.pi))
#注意的是并不是舍弃小数部分，而是执行floor操作，trunc函数
import math
print("math.trunc(1/2):",math.trunc(1/2))
print("math.trunc(-1/2):",math.trunc(-1/2))
#isnan()函数的返回值是True或False。
import math
print("math.isnan(2):",math.isnan(2))
print("math.isnan(0.0):",math.isnan(0.0))
print("math.isnan(0.003):",math.isnan(0.007))
print("math.isnan(-25):",math.isnan(-25))
print("math.isnan(math.pi):",math.isnan(math.pi))
#degrees() 将弧度转换为角度。
import math
print("math.degress(3):",math.degrees(3))
print("math.degress(-3):",math.degrees(-3))
print("math.degress(0):",math.degrees(0))
print("math.degress(math.pi):",math.degrees(math.pi))
print("math.degress(math.pi/2):",math.degrees(math.pi/2))
print("math.degress(math.pi/4):",math.degrees(math.pi/4))
#radians() 方法将角度转换为弧度。
import math
print("math.radians(3):",math.radians(3))
print("math.radians(-3):",math.radians(-3))
print("math.radians(0):",math.radians(0))
print("math.radians(math.pi):",math.radians(math.pi))
print("math.radians(math.pi/2):",math.radians(math.pi/2))
print("math.radians(math.pi/4):",math.radians(math.pi/4))

def sayhi():
    print('四则运算模块')
version = '0.1'
def add():#加法
    he = num1 = num2 = 0
    num1 = int(float(input("请你输入第一个数字:")))
    num2 = int(float(input("请你输入第一个数字:")))
    he = num1 + num2
    print("{}+{}={}".format(num1,num2,he))

def sub():#减法
    he = num1 = num2 = 0
    num1 = int(float(input("请你输入第一个数字:")))
    num2 = int(float(input("请你输入第一个数字:")))
    he = num1 - num2
    print("{}-{}={}".format(num1, num2, he))
def mass():#乘法
    he = num1 = num2 = 0
    num1 = int(float(input("请你输入第一个数字:")))
    num2 = int(float(input("请你输入第一个数字:")))
    he = num1 * num2
    print("{}*{}={}".format(num1, num2, he))
def cf():#除法
    he = num1 = num2 = 0
    num1 = int(float(input("请你输入第一个数字:")))
    num2 = int(float(input("请你输入第一个数字:")))
    he = num1 / num2
    print("{}*{}={}".format(num1, num2, he))

import sizeyunsuan
sizeyunsuan.sayhi()
print('This Version is：', sizeyunsuan.version)
while True:
    xuanze = str(input("请你重新选择一个算法\nA.加法\nB.减法\nC.乘法\nD.除法                                                      "))
    if xuanze == ("a") or xuanze == ("A"):
        sizeyunsuan.add()
        break
        
    elif xuanze == ("b") or xuanze == ("B"):
        sizeyunsuan.sub()
        break
    elif xuanze ==("c") or xuanze == ("C"):
        sizeyunsuan.mass()
        break
    elif xuanze ==("d") or xuanze == ("D"):
        sizeyunsuan.cf()
        break
    else:
        print("你输入的内容不在模块列表选项中")
pass

while True:
    Username = str(input("请你输入用户名:"))
    Password = str(input("请你输入密码："))
    if Username == str("seven") and Password == str("123"):
        break
    else:
        print("登录失败")
print("登录成功")

i = 1
s1 = c =0
while True:
    i += 1
    if i % 2 == 0:
        s1 += i
    else:
        s1 -= i
    if i == 100:
        break
print(s1)