Python Python Python is a programming language that
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![Python的作者是谁? 1989年,Guido van Rossum� 立了Python� 言。 �在, 他在Google 作。 Guido van Rossum (1956 - Python的作者是谁? 1989年,Guido van Rossum� 立了Python� 言。 �在, 他在Google 作。 Guido van Rossum (1956 -](https://slidetodoc.com/presentation_image_h/28887bb0d53f17889c89e66e8d004515/image-3.jpg)
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![Python快速入门 赋值,数据类型 Python变量名规则与其他编程语言一样,并且大小写敏感 >>> >>> >>> pptname = “Introction to Python” ppt. Name = Python快速入门 赋值,数据类型 Python变量名规则与其他编程语言一样,并且大小写敏感 >>> >>> >>> pptname = “Introction to Python” ppt. Name =](https://slidetodoc.com/presentation_image_h/28887bb0d53f17889c89e66e8d004515/image-18.jpg)
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![Python快速入门 数据类型—列表、元组、字典 列表(list)和元组(tuple):可以看成普通的“数组” >>> number. List = [1, 2, 3, 4, 5, 6, 7, Python快速入门 数据类型—列表、元组、字典 列表(list)和元组(tuple):可以看成普通的“数组” >>> number. List = [1, 2, 3, 4, 5, 6, 7,](https://slidetodoc.com/presentation_image_h/28887bb0d53f17889c89e66e8d004515/image-20.jpg)
![Python快速入门 缩进,while循环语句,if条件语句 缩进:简洁、可读性好 循环语句:while expression: while_suite 条件语句:if elif if expression 1: if_suite elif expression Python快速入门 缩进,while循环语句,if条件语句 缩进:简洁、可读性好 循环语句:while expression: while_suite 条件语句:if elif if expression 1: if_suite elif expression](https://slidetodoc.com/presentation_image_h/28887bb0d53f17889c89e66e8d004515/image-21.jpg)
![Python快速入门 for循环语句:for range()内建函数 Python中的for循环与传统的for循环不太一样,不是计数循环,更像 迭代循环,如: for n. Item in [123, ‘email’, ‘homework’]: print n. Python快速入门 for循环语句:for range()内建函数 Python中的for循环与传统的for循环不太一样,不是计数循环,更像 迭代循环,如: for n. Item in [123, ‘email’, ‘homework’]: print n.](https://slidetodoc.com/presentation_image_h/28887bb0d53f17889c89e66e8d004515/image-22.jpg)
![Python快速入门 for循环语句:for enumerate()内建函数 # enumerate()突破约束:索引、元素双循环 for i, n. Char in enumerate(my. String): print '(%d)' Python快速入门 for循环语句:for enumerate()内建函数 # enumerate()突破约束:索引、元素双循环 for i, n. Char in enumerate(my. String): print '(%d)'](https://slidetodoc.com/presentation_image_h/28887bb0d53f17889c89e66e8d004515/image-23.jpg)
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![Python快速入门 函数 函数: def function_name([arguments]): # 参数可为空,可有默认值 “optional documentation string” # 可选的函数说明语句 function_suite # Python快速入门 函数 函数: def function_name([arguments]): # 参数可为空,可有默认值 “optional documentation string” # 可选的函数说明语句 function_suite #](https://slidetodoc.com/presentation_image_h/28887bb0d53f17889c89e66e8d004515/image-26.jpg)
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![Python是什么 Python 官方网站的描述 Python is a programming language that lets you work more quickly Python是什么? Python 官方网站的描述 Python is a programming language that lets you work more quickly](https://slidetodoc.com/presentation_image_h/28887bb0d53f17889c89e66e8d004515/image-2.jpg)
Python是什么? Python 官方网站的描述 Python is a programming language that lets you work more quickly and integrate your systems more effectively. You can learn to use Python and see almost immediate gains in productivity and lower maintenance costs. 《简明Python教程》的描述 Python是一种简单易学,功能强大的编程语言。它有高效 率的高层数据结构,能够简单、有效地实现面向对象编程。 Python语法简洁,支持动态输入,是解释性语言。 在大多数平台上,对于众多领域,Python都是一个理想的 开发语言,特别适合于应用程序的 快速开发。
![Python的作者是谁 1989年Guido van Rossum 立了Python 言 在 他在Google 作 Guido van Rossum 1956 Python的作者是谁? 1989年,Guido van Rossum� 立了Python� 言。 �在, 他在Google 作。 Guido van Rossum (1956 -](https://slidetodoc.com/presentation_image_h/28887bb0d53f17889c89e66e8d004515/image-3.jpg)
Python的作者是谁? 1989年,Guido van Rossum� 立了Python� 言。 �在, 他在Google 作。 Guido van Rossum (1956 - )
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进入Python编程世界 其他的Python集成开发环境 1)开源 Python Win+Win 32 Extensions http: //starship. python. net/crew/skippy/win 32 IPython(增强的交互式Python) http: //ipython. scipy. org IDE Studio(IDLE以及更多) http: //starship. python. net/crew/mike/Idle Eclipse http: //pydew. sf. ent http: //eclipse. org 2)商业 Wing. IDE(Win. Ware公司)http: //wingware. com Komodo(Active. State公司) http: //activestate. com/Products/Komodo
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Python学习资源
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Python学习资源
![Python学习资源 简明Python教程 http www woodpecker org cn 9081docab yteofpythoncnchineseindex html 啄木鸟社区 http wiki woodpecker Python学习资源 简明Python教程 http: //www. woodpecker. org. cn: 9081/doc/ab yteofpython_cn/chinese/index. html 啄木鸟社区 http: //wiki. woodpecker.](https://slidetodoc.com/presentation_image_h/28887bb0d53f17889c89e66e8d004515/image-12.jpg)
Python学习资源 简明Python教程 http: //www. woodpecker. org. cn: 9081/doc/ab yteofpython_cn/chinese/index. html 啄木鸟社区 http: //wiki. woodpecker. org. cn/moin/ CSDN下载 htp: //download. csdn. net 其他 免 费 资 源 http: //www. python. org http: //corepython. com http: //www. diveintopython. org/
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![Python快速入门 赋值数据类型 Python变量名规则与其他编程语言一样并且大小写敏感 pptname Introction to Python ppt Name Python快速入门 赋值,数据类型 Python变量名规则与其他编程语言一样,并且大小写敏感 >>> >>> >>> pptname = “Introction to Python” ppt. Name =](https://slidetodoc.com/presentation_image_h/28887bb0d53f17889c89e66e8d004515/image-18.jpg)
Python快速入门 赋值,数据类型 Python变量名规则与其他编程语言一样,并且大小写敏感 >>> >>> >>> pptname = “Introction to Python” ppt. Name = “Python入门” height = 1. 71 age = 26 n = height n *= 100 # 等价于 n = n * 100 五种基本数字类型:int long bool float complex复数 0102 -128 0 x 80 -0 XA 9; 12345678902010 L -0 x. ABCDEF 123456 L; True False; 3. 1415926 -1. 2 E-14 10. 32. 1 e 10; 6. 54+3. 21 j -1. 23+45. 6 J 0+1 j 99 -88 j -0. 142857+0 j
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![Python快速入门 数据类型列表元组字典 列表list和元组tuple可以看成普通的数组 number List 1 2 3 4 5 6 7 Python快速入门 数据类型—列表、元组、字典 列表(list)和元组(tuple):可以看成普通的“数组” >>> number. List = [1, 2, 3, 4, 5, 6, 7,](https://slidetodoc.com/presentation_image_h/28887bb0d53f17889c89e66e8d004515/image-20.jpg)
Python快速入门 数据类型—列表、元组、字典 列表(list)和元组(tuple):可以看成普通的“数组” >>> number. List = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0] >>> mix. List = [‘Li Shuhao’, 26, 1. 71] >>> mix. Tuple = (‘Python’, ‘is’, ‘cool’) # 元组可以看成只读的列表,如:mix. Tuple[0] = ‘C++’, 出错! >>> print mix. Tuple[0], mix. Tuple[1], mix. Tuple[-1] Python is cool 字典(dictionary):由键值对(Key-Value)构成 >>> my. Dict = {'name': 'Li. Shuhao', 'height': 171, 'age': 26} >>> for m. Key in my. Dict: print m. Key, my. Dict[m. Key] # 缩进: Tab,空格
![Python快速入门 缩进while循环语句if条件语句 缩进简洁可读性好 循环语句while expression whilesuite 条件语句if elif if expression 1 ifsuite elif expression Python快速入门 缩进,while循环语句,if条件语句 缩进:简洁、可读性好 循环语句:while expression: while_suite 条件语句:if elif if expression 1: if_suite elif expression](https://slidetodoc.com/presentation_image_h/28887bb0d53f17889c89e66e8d004515/image-21.jpg)
Python快速入门 缩进,while循环语句,if条件语句 缩进:简洁、可读性好 循环语句:while expression: while_suite 条件语句:if elif if expression 1: if_suite elif expression 2: elif_suite else expression 3: else_suite # expression 条件表达式 # 根据条件循环执行的语句 else # 蓝色部分可以单独用 # 绿色部分可以省略,也可以重复多个 # 用elif,最后必须有else # Python没有switch-case
![Python快速入门 for循环语句for range内建函数 Python中的for循环与传统的for循环不太一样不是计数循环更像 迭代循环如 for n Item in 123 email homework print n Python快速入门 for循环语句:for range()内建函数 Python中的for循环与传统的for循环不太一样,不是计数循环,更像 迭代循环,如: for n. Item in [123, ‘email’, ‘homework’]: print n.](https://slidetodoc.com/presentation_image_h/28887bb0d53f17889c89e66e8d004515/image-22.jpg)
Python快速入门 for循环语句:for range()内建函数 Python中的for循环与传统的for循环不太一样,不是计数循环,更像 迭代循环,如: for n. Item in [123, ‘email’, ‘homework’]: print n. Item for n. Item in range(5): # range(5)等价于[1, 2, 3, 4, 5] print n. Item, # print不自动换行方法:加逗号 for n. Char in my. String: # my. String = ‘abc’ print n. Char for i in range(len(my. String)): # len() 字符串长度 print ‘(%d)’ % (i), my. String[i] # 输出:(0) a …
![Python快速入门 for循环语句for enumerate内建函数 enumerate突破约束索引元素双循环 for i n Char in enumeratemy String print d Python快速入门 for循环语句:for enumerate()内建函数 # enumerate()突破约束:索引、元素双循环 for i, n. Char in enumerate(my. String): print '(%d)'](https://slidetodoc.com/presentation_image_h/28887bb0d53f17889c89e66e8d004515/image-23.jpg)
Python快速入门 for循环语句:for enumerate()内建函数 # enumerate()突破约束:索引、元素双循环 for i, n. Char in enumerate(my. String): print '(%d)' % (i), my. String[i] 列表解析:for语句 squared = [item ** 2 for item in range(5)] # 0 1 4 9 16 complex. Tuple = (item ** 2 for item in range(10) if item % 2) # 1 9 25 49 81
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![Python快速入门 函数 函数 def functionnamearguments 参数可为空可有默认值 optional documentation string 可选的函数说明语句 functionsuite Python快速入门 函数 函数: def function_name([arguments]): # 参数可为空,可有默认值 “optional documentation string” # 可选的函数说明语句 function_suite #](https://slidetodoc.com/presentation_image_h/28887bb0d53f17889c89e66e8d004515/image-26.jpg)
Python快速入门 函数 函数: def function_name([arguments]): # 参数可为空,可有默认值 “optional documentation string” # 可选的函数说明语句 function_suite # 函数代码段 return fun_obj # 可以没有,自动返回None对象 def add. Me. To. Me(me): # 函数示例:神奇的 + 操作 return (me + me) # 小括号不能省略 print add. Me. To. Me(3. 14) # 6. 28 print add. Me. To. Me(100) # 200 print add. Me. To. Me('Python') # Python print add. Me. To. Me([-1, 'abc']) # [-1, 'abc', -1, 'abc']
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Questions & Answers
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