# a=1
# print(a)
# s1 = "hello "
# s2 = "world"
# print(s1 + s2)
#
# # 这个w就是只有写的全线
# file = open("/Users/shufang/PycharmProjects/testPro/com/shufang/test1/com/shufang/test/hello.txt",'w')
# file.write("helloworld!")
#
# what_he_dos = "plays"
# his_instrument= 'guitar'
# is_name='ROBERT JOHNSON'
#
# art_show_is = is_name+' '+what_he_dos+' '+his_instrument
# print(art_show_is)
#
# num = 1;
# s= '1';
# print(num+int(s))
#
# result1 = len(is_name)+12
# print(result1)
#
#
#
string = 'thisworldwants to help me@®'
print(string[0])
print(string[-15:-12])
print(string[0:])
print(string[:-1]) # 一般是的左包右不包
# .fromat()来进行批处理,三种方式
print('{} a word she can get what she {} for'.format('With', 'came'))
print('{position} a word she can get what she {verb} for'.format(position='With', verb='came'))
print('{0} a word she can get what she {1} for'.format('With', 'came'))
# 从控制台打印
# input = input('please enter the word from here:')
# reallocation = ' this is the name of the world:{}'.format(input)
# print(reallocation)
a = 1 / 2 * (3 + 4) * 5
print(a)
b = 32 * 9 / 5 + 32
print(b)
def hello(arg1, arg2):
return arg1 + arg2
print(hello('hello ', 'world'))
def this():
return 'hello world bitch!' # return前面必须缩进
print(this())
def tempetrue(C):
print(str(C * 9 / 5 + 32) + 'F')
return # 返回值是none
tempetrue(35)
def changeWeight(w1):
print(str(w1 / 1000) + 'kg') # 一般一个函数只需要写好一个功能
changeWeight(1000)
# 函数练习，求直角三角形的第三条边
def getTheThirdLine(a: int, b: int):
l1 = a * a
l2 = b * b
import math
l3 = math.sqrt(l1 + l2)
print('the third line is :' + str(l3))
return
getTheThirdLine(3, 4)
# 函数的参数类型，位置参数、关键词参数
def hello(a, b, c):
print(a, b, c)
hello(a=1, b=2, c=3)
hello(1, 2, 3)
hello(1, b=2, c=3)
hello(c=3, b=2, a=1)
# hello(c=3,a=2,1) #编译报错
hello(1, 2, c=3)
# 求梯形的面积
def tixing_area(base_up, base_down, height=3):
print(' *', ' * *', '* * *', ' | ', '\n')
print(((base_up + base_down) * height / 2))
return
tixing_area(1, 2, 3)
base_up = 1
base_down = 2
height = 3
tixing_area(height,base_down,base_up)
tixing_area(1,2) # 4.5 可以在传参数的时候就给height传入默认值
tixing_area(1,2,height=3) # 4.5
## python常用的内置函数
# file = open("/Users/shufang/Desktop/python_ofMine/python的从无到有.md",'w') # 打开文件
# file.write() # 往文件里面写
def wirte_text():
path = '/Users/shufang/Desktop/'
name = 'hello1.txt'
file = open(path+name,'w') # w代表写入模式，如果存在这个文件就写入，否则就创建该文件
file.write('hello world!bitch this is my name : '+name)
file.close() # 关闭文件的写入
print('wirte done!')
return
wirte_text() # hello world!bitch
# 敏感词过滤
def textfile_filter(word,censored_word = 'lame',change_word='Awesome'):
a = word.replace(censored_word,change_word)
print(a)
textfile_filter('Python is lame!')
## 方法的调用
def done_conflex(name,word):
wirte_text()
textfile_filter(word)
return
# 常用的python符号
# + - * / % // 取整除，返回商的整数部分 9//2 = 4，9.0 // 2.0 = 4.0 ** 幂：10 ** 2 = 100
print(9/2)
print(9//2) # 4.5
print(9.0//2) # 4.0
print(9.9%2.0) # 取模
print(10**20) ## 求幂值
# TODO
a = 1
print(a)
result = "elle" == 'Elle'
print(result)
print(abs(-10)) # 求绝对值
if 1 < 2:
print("helloworld")
# 循环与判断
# 常用的条件判断符号 > < >= <= != ==,在python中可以连续比较如：1< 5<10 True
result = "Elle is My Firend" == "elle is my firend"
print(result)
# 不同类型之间不能用< > >= <= 但是可以用!= ==
# print(42 < "helloworld")
print(42 != "helloworld") # true
print(42 == "helloworld")
# true和false 分别代表1 0,可以进行隐式转换
print(True + False) # 1
print(True > False)
# list 列表集合
list = ['hello', 'world', 21]
list.append('shufang')
print(list[0], list[-1]) ## hello shufang
print('shufang' in list)
the_ellie = 'Ellie'
name = 'Ellie'
print(the_ellie == name) # True
print(the_ellie is name) # True is就是用来校验的
# 在python中，除了0、None、[]、''、False,其他所有的对象都是True,可以用bool函数来判别
print(bool('')) # False
print(bool([])) # False
print(bool(0)) # False
print(bool(None)) # False
print(bool(False)) # False
print(bool(1)) # True
print(bool(1) + bool('hellworld')) # 2
# boolean值之间的运算 关键字 or and not
print(1 < 2 or 3 > 5) # True,类似于java中的｜｜
print(1 < 2 and 3 > 5) # False，类似于java中的 &&
# 1<3and2<5 True
# 1<3and2>5 False
# 1<3or2>5 True
# 1>3or2>5 False
# if condtion:
# do something
if not False:
print("hello world!")
else:
print("hello bitch!")
# def sout():
# good = input("请输入数字：")
# if int(good)%2 == 0 :
# print("是偶数")
# else:
# print('是奇数')
# sout()
#
# def sout():
# good = input("请输入数字：")
# result = good == '1234'
# if result:
# print("1234")
# # elif:
# # print()
# else:
# print('not 1234')
# sout()
#
#
# sout()
#
# here = input("please input from here:")
# if here == '1234':
# print(here)
# elif here == '1235':
# print(here)
# else:
# print(int(here) + 1) # 不同类型之间是不能进行运算的
#
# # 实现一个用密码登陆的功能
#
# print('------------------------------')
#
# passwdList = ['*#*#*', '12345']
#
#
# def account_login():
# enter_pw = input("请输入密码：")
# password_correct = enter_pw == passwdList[-1] # boolean类型
# password_reset = enter_pw == passwdList[0] # boolean类型
# if password_correct:
# print("Login correctlly!")
# elif password_reset:
# new_password = input("请输入一个新密码:")
# # 将新密码添加到list中
# passwdList.append(new_password)
# print("添加新密码成功！")
# account_login()
# else:
# print('输入的密码不正确，请重试')
# account_login()
#
#
# # 切记，在python中,通过缩进代表层级关系
# account_login()
#
# # loop循环
# for i in [1,2,'helloworld!1234'
# '1234',4,5]:
# print(i)
tmp = 1
for i in range(1, 11):
print(str(i) + ' + 1 =', i + 1)
songList = ['A Thousand Years', 'Pray', 'Holy Driver']
for song in songList:
if song == 'A Thousand Years':
print(song, '- Collie Meggen')
elif song == 'Pray':
print(song, '- Justin Bibber')
elif song == 'Holy Driver':
print(song, '- Dio')
for i in range(1, 10):
for j in range(1, 10):
print('{} * {} = {}'.format(i, j, i * j))
# while 循环
while i <= 100:
print('still {}'.format(i))
i += 1
count = 0
while True:
if count == 100:
break
print("happy programmer's day!")
count += 1
passwordList = ['###', '123'] # 这里用到了闭包
print('-------------------')
# def account_login():
# tries = 3
#
# # while 还可以结合 else一起使用
# while tries > 0:
# password = input('请输入密码：')
# password_correct = password == passwordList[-1]
# password_reset = password == passwordList[0]
# if password_correct:
# print("登陆成功！")
# tries = 0
# elif password_reset:
# new_password = input('请重新输入新的密码：')
# passwordList.append(new_password)
# print("设置新密码成功！")
# account_login()
# else:
# print("输入错误，请重试！")
# tries -= 1
# print()
# else:
# print("your account has been susppend!")
#
#
# account_login()
# for i in range(1,11):
# file = open('/Users/shufang/Desktop/{}.txt'.format(i),'w')
# file.write('helloworld')
def invest(amount, time, rate=0.05):
for i in range(1, time + 1):
amount = amount + amount * rate
print(amount)
invest(10000, 10)
for i in range(1, 101):
if i % 2 == 0:
print(i)
else:
print("{}不是偶数".format(i))
# 求集合中元素的和，sum（），类似于scala中饿reduce
list1 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
print(sum(list1))
print(min(list1))
print(max(list1))
import math
import random
a = random.randrange(1, 7)
b = random.randrange(1, 7)
c = random.randrange(1, 7)
print(a, b, c)
# 模拟摇骰子
def roll_dice(numbers, points=None):
print('starting rolling the dice！')
tmp = numbers
if points is None:
points = []
while numbers > 0:
points.append(random.randrange(1, 7))
numbers -= 1
if (sum(points) > tmp * 6 / 2):
print("BIG!")
else:
print('small~')
# roll_dice(3)
def start_game(numbers):
dice_points = roll_dice(numbers)
get_result(numbers,dice_points)
def roll_dice(numbers, points=None):
print('<<<< ROLLING THE DICE!>>>>')
if points is None:
points = []
if numbers < 3:
print('骰子不足')
while numbers > 0:
point = random.randrange(1, 7)
points.append(point)
numbers -= 1
return points
def get_result(numbers, points):
result = sum(points)
if result > numbers * 6 / 2:
print('BIG')
else:
print('SMALL')
start_game(3)