100設計一甲_week10

tkinter.py

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#coding: utf-8 from tkinter import * # 導入所有的數學函式 from math import * # 導入數學函式後, 圓周率為 pi # deg 為角度轉為徑度的轉換因子 deg = pi/180. frame=Frame() frame.master.title("繪圖範例") frame.pack() canvas = Canvas(width=800, height=800, bg='white') canvas.pack(expand=YES, fill=BOTH) def plotline(): for i in range(0, 500, 50): canvas.create_line(0, i, 500, i) #canvas.create_line(i, 0, i, 500) def polygon(r=100,cx=150,cy=150,offset=30): for i in range(270,270+360,offset): x0=cx+r*cos(i*deg) y0=cy+r*sin(i*deg) x1=cx+r*cos((i+offset)*deg) y1=cy+r*sin((i+offset)*deg) canvas.create_line(x0,y0,x1,y1) def plot(): for i in range(0,600,30): canvas.create_line(400-i,350-i, 500+i,350-i) canvas.create_line(500+i,350-i, 500+i,450+i) canvas.create_line(500+i,450+i, 400-i,450+i) canvas.create_line(400-i,450+i, 400-i,350-i) plotline() polygon() mainloop()

find.py

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s="applenkajkljkhapplejgaa" pos=0 count=0 while(1): pos=s.find("apple",pos) if(pos==-1): break pos=pos+1 count=count+1 print(count) print(s.count("apple"))