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RSS订阅原创 py7_the formatting of flies and data
Use of fileText File or Binary File (only different in display):Text File (is an abstraction and collection of data): a file consisting of a single specific encoding, such as UTF-8.both of .txt a...
2019-01-10 21:50:41
275
原创 py6_combined data
Combined dataSame as the definition in mathematics. In Python, Collection Data cannot be changed.Using {} to display the Collection Data, using “,” to separate the elements in collection, using {}...
2019-01-10 21:27:13
280
原创 py5_the reuse of functions and programs
The definition of functionusing Key Word “def” to define a function.def <Function Name>(<mandatory parameters>, <alternative parameters>) <Main of Function> return ...
2019-01-10 20:49:57
132
原创 py4_control structure
The Control Structure of ProgramsBranch & Loop StructureCompact type: &lt;command1&gt;&lt;command1&gt;<command1> if &lt;condition&gt;&lt;condition&gt;<...
2019-01-10 20:27:27
255
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原创 py3_basic datatype
Datatype & CalculationUsing Pow Function(pow(x, y)) to calculate the x^y, and the values are able to be infinite.There are four forms of integer system:Decimal(very normal), Binary(start at 0...
2019-01-10 20:10:17
176
原创 py2_draw the pictures
The overview of Turtle LibraryTurtle Library is a python implementation of the Turtle Mapping System.(from 1969, for programming design)Turtle LIbrary is a standard library from python language.(S...
2019-01-10 00:00:18
221
原创 py1_The definition of paramaters
ParametersA placeholder-symbol is used to hold and represent data.The parameters is represented by an identifier(name), and the procedure for associating an identifier is called nomination.(In th...
2019-01-09 21:22:14
163
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