2014年10月24日
Exercise 20: Functions And Files
摘要： from sys import argvscript, input_file = argvdef print_all(f): print f.read() def rewind(f): f.seek(0)def print_a_line(line_count, f): pri... 阅读全文
posted @ 2014-10-24 09:46 林中细雨 阅读(182) 评论(0) 推荐(0)
Exercise 19: Functions And Variables
摘要： def cheese_and_crackers(cheese_count, boxes_of_crackers): print "You have %d cheeses!" % cheese_count print "You have %d boxes of crackers!" % boxes... 阅读全文
posted @ 2014-10-24 09:41 林中细雨 阅读(163) 评论(0) 推荐(0)
2014年10月23日
Exercise 18: Names, Variables, Code, Functions
摘要： # this one is like your scripts with argvdef print_two(*args):arg1, arg2 = args print "arg1: %r, arg2: %r" % (arg1, arg2)# ok, that *args is actually ... 阅读全文
posted @ 2014-10-23 21:32 林中细雨 阅读(150) 评论(0) 推荐(0)
Exercise 17: More Files
摘要： from sys import argv from os.path import existsscript, from_file, to_file = argvprint "Copying from %s to %s" % (from_file, to_file)# we could do thes... 阅读全文
posted @ 2014-10-23 21:27 林中细雨 阅读(157) 评论(0) 推荐(0)
Exercise 16: Reading And Writing Files
摘要： from sys import argvscript, filename = argvprint "We're going to erase %r." % filename print "If you don't want that, hit CTRL-C (^C)." print "If you ... 阅读全文
posted @ 2014-10-23 21:23 林中细雨 阅读(134) 评论(0) 推荐(0)
PIC2, The Cumulative Distribution Function and Quantile Plot
摘要： Defination:累积分布函数：The cumulative distribution function (CDF) does just that. The CDF at point x tells us whatfraction of events has occurred “to the l... 阅读全文
posted @ 2014-10-23 21:01 林中细雨 阅读(431) 评论(0) 推荐(0)
Exercise 15: Reading Files
摘要： from sys import argvscript, filename = argvtxt = open(filename)print "Here's your file %r:" % filename print txt.read()print "Type the filename again:... 阅读全文
posted @ 2014-10-23 12:09 林中细雨 阅读(139) 评论(0) 推荐(0)
Exercise 14: Prompting And Passing
摘要： from sys import argvscript, user_name = argvprompt = '> 'print "Hi %s, I'm the %s script." % (user_name, script)print "I'd like to ask you a few quest... 阅读全文
posted @ 2014-10-23 12:05 林中细雨 阅读(170) 评论(0) 推荐(0)
Exercise 13: Parameters, Unpacking, Variables
摘要： from sys import argvscript, first, second, third = argvprint "The script is called:", scriptprint "Your first variable is:", firstprint "Your second v... 阅读全文
posted @ 2014-10-23 11:57 林中细雨 阅读(232) 评论(0) 推荐(0)
Exercise 12: Prompting People
摘要： age = raw_input("How old are you? ")height = raw_input("How tall are you? ")weight = raw_input("How much do you weigh? ")print "So, you're %r old, %r ... 阅读全文
posted @ 2014-10-23 11:37 林中细雨 阅读(134) 评论(0) 推荐(0)