教材:
1.七段数码管绘制
2.函数的递归
3.科赫曲线绘制
习题:
- 输出田字格。
- 实现isOdd()函数。
- 实现isNum()函数。
- 实现multi()函数。
- 实现isPrime()函数。
- 使用datetime库,对自己的生日输出不少于10种日期格式。
- 输入汉诺塔层数,输出整个移动流程。
1.七段数码管绘制
import turtle, datetime def drawLine(draw): #绘制单段数码管 turtle.pendown() if draw else turtle.penup() turtle.fd(40) turtle.right(90) def drawDigit(d): drawLine(True) if d in [2,3,4,5,6,8,9] else drawLine(False) drawLine(True) if d in [0,1,3,4,5,6,7,8,9] else drawLine(False) drawLine(True) if d in [0,2,3,5,6,8,9] else drawLine(False) drawLine(True) if d in [0,2,6,8] else drawLine(False) turtle.left(90) drawLine(True) if d in [0,4,5,6,8,9] else drawLine(False) drawLine(True) if d in [0,2,3,5,6,7,8,9] else drawLine(False) drawLine(True) if d in [0,1,2,3,4,7,8,9] else drawLine(False) turtle.left(180) turtle.penup() turtle.fd(20) def drawDate(date): #获得要输出的数字 for i in date: drawDigit(eval(i)) #注意: 通过eval()函数将数字变为整数 def main(): turtle.setup(800, 350, 200, 200) turtle.penup() turtle.fd(-300) turtle.pensize(5) drawDate(datetime.datetime.now().strftime(\'%Y%m%d\')) turtle.hideturtle() main()
import turtle, datetime def drawGap():#绘制数码管间隔 turtle.penup() turtle.fd(5) def drawLine(draw): #绘制单段数码管 drawGap() turtle.pendown() if draw else turtle.penup() turtle.fd(40) drawGap() turtle.right(90) def drawDigit(d): drawLine(True) if d in [2,3,4,5,6,8,9] else drawLine(False) drawLine(True) if d in [0,1,3,4,5,6,7,8,9] else drawLine(False) drawLine(True) if d in [0,2,3,5,6,8,9] else drawLine(False) drawLine(True) if d in [0,2,6,8] else drawLine(False) turtle.left(90) drawLine(True) if d in [0,4,5,6,8,9] else drawLine(False) drawLine(True) if d in [0,2,3,5,6,7,8,9] else drawLine(False) drawLine(True) if d in [0,1,2,3,4,7,8,9] else drawLine(False) turtle.left(180) turtle.penup() turtle.fd(20) def drawDate(date): #获得要输出的数字 turtle.pencolor("red") for i in date: if i==\'-\': turtle.write(\'年\',font=("Arial",18,"normal")) turtle.pencolor("green") turtle.fd(40) elif i==\'=\': turtle.write(\'月\',font=("Arial",18,"normal")) turtle.pencolor("blue") turtle.fd(40) elif i==\'+\': turtle.write(\'日\',font=("Arial",18,"normal")) else: drawDigit(eval(i)) #注意: 通过eval()函数将数字变为整数 def main(): turtle.setup(800, 350, 200, 200) turtle.penup() turtle.fd(-300) turtle.pensize(5) drawDate(datetime.datetime.now().strftime(\'%Y-%m=%d+\')) turtle.hideturtle() main()
(数码管绘制10进制变为16进制,作为字符串输入)
import turtle, datetime a=input(\'\') def drawGap():#绘制数码管间隔 turtle.penup() turtle.fd(5) def drawLine(draw): #绘制单段数码管 drawGap() turtle.pendown() if draw else turtle.penup() turtle.fd(40) drawGap() turtle.right(90) def drawDigit(d): drawLine(True) if d in [\'2\',\'3\',\'4\',\'5\',\'6\',\'8\',\'9\',\'a\',\'b\',\'d\',\'e\',\'f\'] else drawLine(False) drawLine(True) if d in [\'0\',\'1\',\'3\',\'4\',\'5\',\'6\',\'7\',\'8\',\'9\',\'a\',\'b\',\'d\'] else drawLine(False) drawLine(True) if d in [\'0\',\'2\',\'3\',\'5\',\'6\',\'8\',\'9\',\'b\',\'c\',\'d\',\'e\'] else drawLine(False) drawLine(True) if d in [\'0\',\'2\',\'6\',\'8\',\'a\',\'b\',\'c\',\'d\',\'e\',\'f\'] else drawLine(False) turtle.left(90) drawLine(True) if d in [\'0\',\'4\',\'5\',\'6\',\'8\',\'9\',\'a\',\'b\',\'c\',\'e\',\'f\'] else drawLine(False) drawLine(True) if d in [\'0\',\'2\',\'3\',\'5\',\'6\',\'7\',\'8\',\'9\',\'a\',\'c\',\'e\',\'f\'] else drawLine(False) drawLine(True) if d in [\'0\',\'1\',\'2\',\'3\',\'4\',\'7\',\'8\',\'9\',\'a\',\'d\'] else drawLine(False) turtle.left(180) turtle.penup() turtle.fd(20) def drawDate(date): #获得要输出的数字 turtle.pencolor("red") for i in date: drawDigit(i) def drawDate1(date): #获得要输出的数字 turtle.pencolor("red") count=0 for i in date: count+=1 if count>2: drawDigit(i) def main(): turtle.setup(800, 350, 200, 200) turtle.penup() turtle.fd(-300) turtle.pensize(5) drawDate(a) turtle.fd(20) turtle.pendown() turtle.fd(145) turtle.penup() turtle.fd(20) b=hex(int(a)) print(b) drawDate1(str(b)) turtle.hideturtle() main()
2.科赫曲线绘制
import turtle def koch(size,n): if n==0: turtle.fd(size) else: for angle in [0,60,-120,60]: turtle.left(angle) koch(size/3,n-1) def main(): turtle.setup(800,400) turtle.speed(0)#控制绘制速度 turtle.penup() turtle.goto(-300,-50) turtle.pendown() turtle.pensize(2) koch(600,3)#0阶科赫曲线长度,阶数 turtle.hideturtle() main()
import turtle def koch(size,n): if n==0: turtle.fd(size) else: for angle in [0,60,-120,60]: turtle.left(angle) koch(size/3,n-1) def main(): turtle.setup(400,400) turtle.speed(0)#控制绘制速度 turtle.penup() turtle.goto(-200,-100) turtle.pendown() turtle.pensize(2) turtle.pencolor("green") level=5 koch(300,4) turtle.right(120) turtle.pencolor("blue") koch(300,4) turtle.right(120) turtle.pencolor("red") koch(300,4) turtle.hideturtle() main()
输出田字格。
def drawss(n): line=3*n+1 for i in range(1,line+1): if i%3==1: print(n*"+----",end="") print("+") else: print("| "*n,end="") print("|") def main(): n=eval(input("请输入您要的阶数:")) drawss(n) main()
实现isOdd()函数。
def odd(d): if d%2==0: return True else : return False d=int(input()) print(odd(d))
实现isNum()函数。
实现multi()函数。
def multi(*args): sum=1 count=1 for i in args: if type(i) is type(1) or type(i) is type(1.): sum*=i return sum print(multi(2,3,1,0.5,4.99)) print(multi(2,1,\'str\'))
实现isPrime()函数。
使用datetime库,对自己的生日输出不少于10种日期格式。
输入汉诺塔层数,输出整个移动流程。