python的几个小实例
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有参函数
def login(username, password): name = input("请输入您的姓名").strip() pwd = input("请输入您的密码").strip() if name == username and pwd == password: print("登录成功") else: print("登录失败") username = 'zhanyafeng' password = '123456' login(username, password) -
七段数码管数字
# import turtle # import time # #先完成一个数字的显示 # t = turtle.Pen() # t.shape('turtle') # # def drawline(flag): # if flag: # t.down() # else: # t.up() # t.fd(40) # t.right(90) # # def drawdigit(num): # drawline(True) if num in [2,3,4,5,6,8,9] else drawline(False) # drawline(True) if num in [0, 1, 3, 4, 5, 6, 7, 8, 9] else drawline(False) # drawline(True) if num in [0, 2, 3, 5, 6, 8, 9] else drawline(False) # drawline(True) if num in [0, 2, 6, 8] else drawline(False) # t.left(90) # drawline(True) if num in [0, 4, 5, 6, 8, 9] else drawline(False) # drawline(True) if num in [0, 2, 3, 5, 6, 7, 8, 9] else drawline(False) # drawline(True) if num in [0, 1, 2, 3, 4, 6, 8, 9] else drawline(False) # # drawdigit(2) # turtle.done() # 到此一个数字的绘画就完成了 # 接下来绘画多个数字 # import turtle # import time # # t = turtle.Pen() # t.shape('turtle') # t.color('red') # t.pensize(5) # t.speed(0)#加快小乌龟绘画速度 # t.up() # t.backward(250) # t.down() # # def drawgap():#想把显示的数字更加美观一点，想添加空格 # t.up() # t.fd(5) # # def drawline(flag): # drawgap()#在开始落笔前就开始插入空格 # if flag: # t.down() # else: # t.up() # t.fd(40) # drawgap()#同理前进后也要间隔 # t.right(90) # # # def drawdigit(num): # drawline(True) if num in [2,3,4,5,6,8,9] else drawline(False) # drawline(True) if num in [0, 1, 3, 4, 5, 6, 7, 8, 9] else drawline(False) # drawline(True) if num in [0, 2, 3, 5, 6, 8, 9] else drawline(False) # drawline(True) if num in [0, 2, 6, 8] else drawline(False) # t.left(90) # drawline(True) if num in [0, 4, 5, 6, 8, 9] else drawline(False) # drawline(True) if num in [0, 2, 3, 5, 6, 7, 8, 9] else drawline(False) # drawline(True) if num in [0, 1, 2, 3, 4, 6, 8, 9] else drawline(False) # t.up()#这三步小乌龟向前移动 # t.left(180) # t.forward(20) # # # # def get_data(data):#现在想把例如20191024绘画出来 # for i in data: # drawdigit(eval(i)) # # get_data("20191024")#若此时不修改小乌龟会在原地绘画20191024，所以把小乌龟位置向前移动 # turtle.done() # 到此绘画20191024已经完成 # 接下来想添加年月日 import turtle import time turtle.setup(800,600) t = turtle.Pen() t.shape('turtle') t.color('red') t.pensize(5) t.speed(0) # 加快小乌龟绘画速度 t.up() t.backward(300) t.down() def drawgap(): # 想把显示的数字更加美观一点，想添加空格 t.up() t.fd(5) def drawline(flag): drawgap() # 在开始落笔前就开始插入空格 if flag: t.down() else: t.up() t.fd(40) drawgap() # 同理前进后也要间隔 t.right(90) def drawdigit(num): drawline(True) if num in [2, 3, 4, 5, 6, 8, 9] else drawline(False) drawline(True) if num in [0, 1, 3, 4, 5, 6, 7, 8, 9] else drawline(False) drawline(True) if num in [0, 2, 3, 5, 6, 8, 9] else drawline(False) drawline(True) if num in [0, 2, 6, 8] else drawline(False) t.left(90) drawline(True) if num in [0, 4, 5, 6, 8, 9] else drawline(False) drawline(True) if num in [0, 2, 3, 5, 6, 7, 8, 9] else drawline(False) drawline(True) if num in [0, 1, 2, 3, 4, 6, 8, 9] else drawline(False) t.up() # 这三步小乌龟向前移动 t.left(180) t.forward(20) def drawdate(date): # 为了方便区分，我们把日期格式设为%Y-%m=%d+,此时要利用到time.gmtime()以及time.strftime() t.color('red') for i in date: if i == "-": t.write('年', font=("Arial", 25, "normal")) t.color('blue') t.fd(40) elif i == "/": t.write('月', font=("Arial", 25, "normal")) t.color('black') t.fd(40) elif i == "+": t.write('日', font=("Arial", 25, "normal")) else: drawdigit(eval(i)) def programmer(): t.up() t.goto(-280, 100) t.down() t.color('black') t.write('广大程序员节日快乐，占亚峰真牛皮！！！', font=("Arial", 25, "normal")) t.up() t.goto(0, 0) t.down()#将画笔返回原位 programmer() def main(): t.color('red') t.pensize(5) t.speed(0) # 加快小乌龟绘画速度 t.up() t.backward(300) t.down() drawdate(time.strftime("%Y-%m/%d+", time.gmtime())) t.hideturtle() main() turtle.done() #实现完成
