python os turtle

import os

def rename_file():
    file_name_list=os.listdir(r"/Users/Lily/Documents/ASU1/CodePractise/prank")
    print(file_name_list)
    saved_path=os.getcwd()
    print("current working directory is"+saved_path)
    os.chdir(r"/Users/Lily/Documents/ASU1/CodePractise/prank")
    for file_name in file_name_list:
        os.rename(file_name, file_name.translate(None, "0123456789"))
    os.chdir(saved_path)

rename_file()

　　os: Miscellaneous operating system interfaces

os.listdir(path):

Return a list containing the names of the entries in the directory given by path. The list is in arbitrary order. It does not include the special entries '.' and '..' even if they are present in the directory.

Availability: Unix, Windows.

inheritance

os.getcwd(): Return a string representing the current working directory.

os.chdir(path):Change the current working directory to path.

python string translate():

str.translate(table[, deletechars]);

Parameters

• table -- You can use the maketrans() helper function in the string module to create a translation table.

• deletechars -- The list of characters to be removed from the source string.

Turtle 

import turtle
window=turtle.Screen()
window.bgcolor("red")
def draw_art():
    brad=turtle.Turtle()
    brad.shape("turtle")
    brad.color("yellow")
    brad.speed(4)
    brad.penup()
    brad.goto(0,50)
    #love(brad)
    #for i in range(1,37):
    #   draw_triangle(brad)
    #   brad.right(10)


draw_art()

#draw_triangle()
window.exitonclick()

　turtle.penup() make turtle stop drawing

检测文档是否有profanity

__author__ = 'Lily'

import urllib

def read_txt():
    quote=open("curseTest.txt")
    content_of_file=quote.read()
    print(content_of_file)
    quote.close()
    check_profanity(content_of_file)

def check_profanity(text):
    connection=urllib.urlopen("http://www.wdyl.com/profanity?q="+text)
    output=connection.read()
    #print(output)
    connection.close()
    if "true" in output:
        print("profanity alert")
    elif "false" in output:
        print("no profanity")
    else:
        print("something wrong")

read_txt()

　open()

urllib.urlopen()使用于2.7版本

connection.read()

inheritance

class parent():
    def __init__(self,last_name, eye_color):
        self.last_name=last_name
        self.eye_color=eye_color

class child(parent):
    def __init__(self,last_name,eye_color,number_of_toys):
        parent.__init__(self,last_name,eye_color)
        self.number_of_toys=number_of_toys

lily=child(zhang,black,5)
print(lily.number_of_toys)