100設計一甲_week10

tkinter.py

#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

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"))