原创 exercise 24 更多練習
print "Let's practice everything." print 'You\'d need to know \'bout escapes with \\ that do \n newlines and \t tabs.'
2020-07-02 20:47:01
原创 exercise16 讀寫文件
需要記住的常用命令： close -- 關閉文件，相當於編輯器中的File->Save read -- 讀取文件內容分配給一個變量 readline -- 讀取一行內容 truncate -- 清空文件，小心使用這個命 write(stu
2020-07-02 19:45:39
原创 ex8
formatter = "%r %r %r %r" # 中間沒有標點符號 print formatter % (1, 2, 3, 4) print formatter % ("one", "two", "three", "four"
2020-07-02 19:45:39
原创 exercise7 more printing
print "Mary had a little lamb." print "Its fleece was white as %s." % 'snow' print "And everywhere that Mary went." pri
2020-07-02 19:45:39
1
原创 exercsie13 參數 解包 變量
from sys import argv #從python功能庫中導入功能 “features"真正的名稱是：modules / libraries script, first, s
2020-07-02 19:45:39
原创 exercise 22&23 總結+讀代碼
Here's what you do: Go to bitbucket.org, github.com, or gitorious.org with your favorite web browser and search for "p
2020-07-02 19:45:38
原创 exercise9
days = "Mon Tue Wed Thu Fri Sat Sun" months = "Jan\nFeb\nMar\nApr\nMay\nJun\nJul\nAug" \n 表示回車 就是新一行 \\表示一個反斜槓符號--轉義序
2020-07-02 19:45:28
原创 exercise 25 更多更多練習
def break_words(stuff): """This function will break up words for us.""" words = stuff.split(' ') #單引號中表示分隔符 默
2020-07-02 19:45:28
原创 exercise 21 函數能返回信息
def add(a, b): print "ADDING %d + %d" % (a, b) return a + b def subtract(a, b): print "SUBTRACTING %d - %d"
2020-07-02 19:45:28
原创 exercise 12 提示
age = raw_input("How old are you? ") height = raw_input("How tall are you? ") weight = raw_input("How much do you weig
2020-02-20 20:36:58
原创 exercise17 更多文件
源程序： from sys import argv from os.path import exists ##從os.path模塊中導入exists命令 script from_file, to_file = argv print
2020-02-20 20:36:58
原创 exercise 17 讀取文件_2
源程序： from sys import argv from os.path import exists ## 從os.path模塊中導入exists script, from_file, to_file = argv print
2020-02-20 20:36:58
原创 exercise 19 函數和變量
##########################################ex19 def cheese_and_crackers(cheese_count, boxes_of_crackers): print "
2020-02-20 20:36:58
原创 exercise15 讀取文件
運行文件ex15.py ex15_sample.txt //記事本的內容 This is stuff I typed into a file. It is really cool stuff. Lots and lots of fun
2020-02-20 20:36:58
原创 exercise14 提示 傳遞
script, user_name = argv prompt = '> ' #加一個提示 print "Hi %s, I'm the %s script." % (user_name, script) print "I'd like
2020-02-20 20:36:58