差别
这里会显示出您选择的修订版和当前版本之间的差别。
两侧同时换到之前的修订记录 前一修订版 后一修订版 | 前一修订版 | ||
public:it:python [2014/12/03 16:46] – oakfire | public:it:python [2024/01/15 15:33] (当前版本) – [Tips] oakfire | ||
---|---|---|---|
行 1: | 行 1: | ||
====== Python ====== | ====== Python ====== | ||
* [[https:// | * [[https:// | ||
+ | * [[http:// | ||
===== Tips ===== | ===== Tips ===== | ||
* 快速开一个静态http服务: | * 快速开一个静态http服务: | ||
* In Terminal, type '' | * In Terminal, type '' | ||
- | * python为动态语言, | + | * python为动态语言, |
+ | * python 变快的 9 个技巧:[[https:// | ||
+ | * 拼接字符串的速度, | ||
+ | * Faster List Creation: Use “[]” Over “list()” 用 '' | ||
+ | * Faster Membership Testing: Use a Set Over a List | ||
+ | * Faster Data Generation: Use Comprehensions Over For Loops 用内包代替循环 | ||
+ | * Faster Loops: Prioritize Local Variables 优先使用局部变量 | ||
+ | * Faster Execution: Prioritize Built-In Modules and Libraries 优先用内置模块和库 | ||
+ | * Faster Function Calls: Leverage Cache Decorator for Easy Memoization | ||
+ | * Faster Infinite Loop: Prefer “while 1” Over “while True” 但是现代解释器基本都优化过, '' | ||
+ | * Faster Start-Up: Import Python Modules Smartly | ||
===== 从零开始 ===== | ===== 从零开始 ===== | ||
- | * [[http:// | + | * [[http:// |
- | * <code python> | + | * Learning more: |
+ | * [[http:// | ||
+ | * [[https:// | ||
+ | * [[http:// | ||
+ | * [[http:// | ||
+ | * [[http:// | ||
+ | * [[http:// | ||
+ | * [[http:// | ||
+ | * [[http:// | ||
+ | * [[http:// | ||
+ | * [[https:// | ||
+ | * [[http:// | ||
+ | * [[http:// | ||
+ | * [[http:// | ||
+ | * Notes:<code python> | ||
+ | # ------------------------------------------------------------------------- | ||
# ex1: Print | # ex1: Print | ||
# -*- coding: utf-8 -*- | # -*- coding: utf-8 -*- | ||
行 16: | 行 42: | ||
python ex1.py | python ex1.py | ||
+ | # ------------------------------------------------------------------------- | ||
# ex2: Common | # ex2: Common | ||
# This is a common | # This is a common | ||
print " | print " | ||
+ | # ------------------------------------------------------------------------- | ||
# ex3: Numbers and Math | # ex3: Numbers and Math | ||
# + - / * % < > <= >= | # + - / * % < > <= >= | ||
行 25: | 行 53: | ||
print " | print " | ||
+ | # ------------------------------------------------------------------------- | ||
# ex4: Variables And Names | # ex4: Variables And Names | ||
cars = 100 | cars = 100 | ||
space_in_a_car = 4.0 | space_in_a_car = 4.0 | ||
+ | # ------------------------------------------------------------------------- | ||
# ex5: More Variables and Printing | # ex5: More Variables and Printing | ||
my_name = ' | my_name = ' | ||
行 35: | 行 65: | ||
print "My name is %s, i am %d old." % ( my_name, my_age ) | print "My name is %s, i am %d old." % ( my_name, my_age ) | ||
+ | # ------------------------------------------------------------------------- | ||
# ex6: Strings and Text | # ex6: Strings and Text | ||
print "My name is: %r" % " | print "My name is: %r" % " | ||
行 41: | 行 72: | ||
print my_name % ' | print my_name % ' | ||
+ | # ------------------------------------------------------------------------- | ||
# ex7: More Printing | # ex7: More Printing | ||
print " | print " | ||
+ | # ------------------------------------------------------------------------- | ||
# ex8: Printing, Printing | # ex8: Printing, Printing | ||
formatter = "%r %r %r %r" | formatter = "%r %r %r %r" | ||
行 51: | 行 84: | ||
print formatter % (formatter, formatter, formatter, formatter) | print formatter % (formatter, formatter, formatter, formatter) | ||
+ | # ------------------------------------------------------------------------- | ||
# ex9: Printing, Printing, Printing | # ex9: Printing, Printing, Printing | ||
# Here's some new strange stuff, remember type it exactly. | # Here's some new strange stuff, remember type it exactly. | ||
行 63: | 行 97: | ||
Even 4 lines if we want, or 5, or 6. | Even 4 lines if we want, or 5, or 6. | ||
""" | """ | ||
+ | # ------------------------------------------------------------------------- | ||
# ex10 | # ex10 | ||
print "\t \\ \" ' | print "\t \\ \" ' | ||
+ | # ------------------------------------------------------------------------- | ||
# ex11: Asking Questions | # ex11: Asking Questions | ||
- | print "How old are you?", # We put a "," | + | print "How old are you?", # We put a "," |
+ | #so print doesn' | ||
age = raw_input() | age = raw_input() | ||
print "So, you're %r old" % age | print "So, you're %r old" % age | ||
+ | # ------------------------------------------------------------------------- | ||
# ex12: Prompting People | # ex12: Prompting People | ||
age = raw_input(" | age = raw_input(" | ||
+ | # ------------------------------------------------------------------------- | ||
# ex13: Parameters, Unpacking, Variables | # ex13: Parameters, Unpacking, Variables | ||
from sys import argv | from sys import argv | ||
行 85: | 行 124: | ||
# Nothing impresses me. | # Nothing impresses me. | ||
+ | # ------------------------------------------------------------------------- | ||
# ex15: Reading Files | # ex15: Reading Files | ||
print "Type the filename :" | print "Type the filename :" | ||
行 91: | 行 131: | ||
print txt_again.read() | print txt_again.read() | ||
+ | # ------------------------------------------------------------------------- | ||
# ex16: Reading and Writing Files | # ex16: Reading and Writing Files | ||
# class file's function: | # class file's function: | ||
行 106: | 行 147: | ||
# Nothing impresses me. | # Nothing impresses me. | ||
+ | # ------------------------------------------------------------------------- | ||
# ex18: Names, Variables, Code, Functions | # ex18: Names, Variables, Code, Functions | ||
# create a function by using the word ' | # create a function by using the word ' | ||
行 123: | 行 165: | ||
# Nothing impresses me. | # Nothing impresses me. | ||
+ | # ------------------------------------------------------------------------- | ||
# ex25: Even More Practice | # ex25: Even More Practice | ||
# in ex25.py file: | # in ex25.py file: | ||
行 134: | 行 177: | ||
help(ex25) # show help info about ex25.py | help(ex25) # show help info about ex25.py | ||
help(ex25.break_words) # show help info about function break_words in module ex25 | help(ex25.break_words) # show help info about function break_words in module ex25 | ||
- | # Typing ' | + | # Typing ' |
+ | # do your import like this: 'from ex25 import * ' which is like saying, " | ||
from ex25 import * | from ex25 import * | ||
break_words(" | break_words(" | ||
行 141: | 行 185: | ||
# Nothing. | # Nothing. | ||
+ | # ------------------------------------------------------------------------- | ||
# ex27: Memorizing Logic | # ex27: Memorizing Logic | ||
# terms: | # terms: | ||
行 148: | 行 193: | ||
# Nothing impresses me. | # Nothing impresses me. | ||
+ | # ------------------------------------------------------------------------- | ||
# ex29: What If | # ex29: What If | ||
# ex30: Else and If | # ex30: Else and If | ||
行 160: | 行 206: | ||
print "We can't decide." | print "We can't decide." | ||
+ | # ------------------------------------------------------------------------- | ||
# ex32: Loops and Lists | # ex32: Loops and Lists | ||
the_count = [1, 2, 3, 4, 5] | the_count = [1, 2, 3, 4, 5] | ||
行 183: | 行 230: | ||
print " | print " | ||
+ | # ------------------------------------------------------------------------- | ||
# ex33: While Loops | # ex33: While Loops | ||
i = 0 | i = 0 | ||
行 195: | 行 243: | ||
# Nothing impresses me. | # Nothing impresses me. | ||
+ | # ------------------------------------------------------------------------- | ||
# ex35: Branches and Functions | # ex35: Branches and Functions | ||
from sys import exit | from sys import exit | ||
行 215: | 行 264: | ||
exit(0) | exit(0) | ||
+ | # ------------------------------------------------------------------------- | ||
# ex36: Designing and Debugging | # ex36: Designing and Debugging | ||
# ex37: Symbol Review | # ex37: Symbol Review | ||
行 235: | 行 285: | ||
print '#' | print '#' | ||
+ | # ------------------------------------------------------------------------- | ||
# ex39: Dictionaries, | # ex39: Dictionaries, | ||
>>> | >>> | ||
行 249: | 行 300: | ||
print "%r : %r" % (key, value) | print "%r : %r" % (key, value) | ||
+ | # ------------------------------------------------------------------------- | ||
# ex40: Modules, Classes, and Objects | # ex40: Modules, Classes, and Objects | ||
# Modules Are Like Dictionaries | # Modules Are Like Dictionaries | ||
行 285: | 行 337: | ||
super | super | ||
+ | # ------------------------------------------------------------------------- | ||
# ex43: Basic Object-Oriented Analysis and Design | # ex43: Basic Object-Oriented Analysis and Design | ||
# ex44: Inheritance Versus Composition | # ex44: Inheritance Versus Composition | ||
行 320: | 行 373: | ||
super(Child, | super(Child, | ||
| | ||
- | # ex45: You Make a Game | + | # ex45: You Make a Game |
- | | + | # Nothing impresses me. |
+ | |||
+ | # ------------------------------------------------------------------------- | ||
+ | # ex46: A Project Skeleton | ||
+ | try: | ||
+ | from setuptools import setup | ||
+ | except ImportError: | ||
+ | from distutils.core import setup | ||
+ | |||
+ | # ------------------------------------------------------------------------- | ||
+ | # ex47: Automated Testing | ||
+ | nosetests | ||
+ | from nose.tools import * | ||
+ | assert_equal | ||
+ | # Test files go in " | ||
+ | |||
+ | |||
+ | # ------------------------------------------------------------------------- | ||
+ | # ex48: Advanced User Input | ||
+ | # A tuple is nothing more than a list that you can't modify. | ||
+ | # It's created by putting data inside two " | ||
+ | first_word = (' | ||
+ | # Exceptions and Numbers | ||
+ | def convert_number(s): | ||
+ | try: | ||
+ | return int(s) | ||
+ | except ValueError: | ||
+ | | ||
+ | |||
+ | # ------------------------------------------------------------------------- | ||
+ | # ex49: Making Sentences | ||
+ | # ex50: Your First Website | ||
+ | # ex51: Getting Input from a Browser | ||
+ | # ex52: The Start Of Your Web Game | ||
+ | # Nothing impresses me. | ||
+ | |||
</ | </ | ||