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'return' Statement in Function Statement Block
How to use the "return" statement in a function statement block in Python? The "return" statement can be used in a function statement block to terminate the execution of the function and return a data object to the calling expression. Here is a good example of "return" statement used in a function s...
2018-02-28, 1104👍, 0💬

Function Calling Expressions
How to call a function in an expression in Python? To call a function and execute its statement block in an expression, you can enter the function name followed by a list of values to be assigned to parameters defined in the function. For example, the profile("Joe",25) expression calls the "profile(...
2018-02-28, 1063👍, 0💬

Function Calling Expressions
How to call a function in an expression in Python? To call a function and execute its statement block in an expression, you can enter the function name followed by a list of values to be assigned to parameters defined in the function. For example, the profile("Joe",25) expression calls the "profile(...
2018-02-28, 1063👍, 0💬

'break' Statement in Repeating Statement Blocks
How to use the "break" statement in a repeating statement block in Python code? The "break" statement can be used in a repeating statement block like "for" and "while" loops to terminate the loop immediately. When a "break" statement is interpreted, Python will terminate execution of the nearest "fo...
2018-02-28, 1025👍, 0💬

'break' Statement in Repeating Statement Blocks
How to use the "break" statement in a repeating statement block in Python code? The "break" statement can be used in a repeating statement block like "for" and "while" loops to terminate the loop immediately. When a "break" statement is interpreted, Python will terminate execution of the nearest "fo...
2018-02-28, 1025👍, 0💬

What Is Wrapper Function
What is a wrapper function in Python? A wrapper function in Python is a function that takes an old function as input parameter and returns a new function. The new function should have the same parameter list and return type. If you call the new function, it will perform the same task as the old func...
2018-02-08, 1417👍, 0💬

Pass Function as Function Parameter
How to pass function objects as function parameters? You can pass function objects like any other types of objects as parameters of other functions. For example, &gt;&gt;&gt; def x(): ... print("Hello world!") ... &gt;&gt;&gt; def addVersion(f): ... f.version = "1.0" ... f.au...
2018-02-08, 1261👍, 0💬

Function Parameters Assigned with Object References
Is it true that all function parameters are assigned with object references in Python? Yes, all function parameters are assigned with object references in Python. You modify referenced data objects to share data with the calling statement. Here is a good example of modifying the data object referenc...
2018-02-08, 1150👍, 0💬

Functions Are Objects Too
Are functions objects in Python? Yes, all functions are objects of "function" type in Python? You can verify this with the following Python code: &gt;&gt;&gt; def x(): ... print("Hello world!") ... &gt;&gt;&gt; type(x) &lt;class 'function'&gt; In other words, the "def...
2018-02-08, 1114👍, 0💬

'__dict__' Dictionary in Function Object
What is the "__dict__" dictionary property in a function object? By default every function object has "__dict__" built-in dictionary property. Each name value pair in this dictionary becomes a formal property of the function object accessible using the "." operation. It is empty when the function ob...
2018-02-08, 1080👍, 0💬

What Is Python
What Is Python? Python is a widely used high-level programming language for general-purpose programming, created by Guido van Rossum and first released in 1991. Main features of Python: Python is a multi-paradigm programming language: object-oriented programming and structured programming are fully ...
2018-02-01, 1444👍, 0💬

Introduction of Python
Where to find tutorials in understanding what is Python? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team in understanding what is Python. What Is Python Download Latest Version of Python for Windows Install Latest Version of Python for Windows Ver...
2018-02-01, 1202👍, 0💬

'__init__()' Class Method to Initialize New Instance
What is the "__init__()" class method? The "__init__()" class method is a special method that will be automatically called, if you use the class name as a constructor to create a new instance of the class. Here are the rules you need to follow to define and use the "__init__()" class method: 1. Defi...
2018-01-27, 2977👍, 0💬

Create New Instances of a Class
How to Create a New Instance of a Class? There are two ways to create a new instance (object) of a class (or type): 1. The short way: Call the class name as the class constructor function with the following syntax. It will return an instance of the given class. &gt;&gt;&gt; x = class_nam...
2018-01-27, 2341👍, 0💬

Manage and Use Class Properties
How to manage and use class properties? Class properties, also called class attributes, are name value pairs associated with class "type" object, and shared among all instances (objects) created from this class. You can manage and use class properties in various places: 1. In the class definition st...
2018-01-27, 1262👍, 0💬

What Is Class Method
What is class method in Python? Class methods are functions defined inside the class definition statement block. You can call to execute a class method in two formats: 1. Calling the method with the class name in the dot (.) expression format: class_name.method_name(...). For example, &gt;&g...
2018-01-27, 1208👍, 0💬

Where Are Class Properties Stored
Where Are Class Properties Stored? Class properties are stored in a built-in property called "__dict__" in class "type" object. The "__dict__" property is inherited from the base class "object" and managed by the Python engine. If you ever forget what class properties are associated with a class, yo...
2018-01-27, 1103👍, 0💬

Defining Functions in Python
Where to find tutorials in Defining Functions in Python? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Defining Functions in Python: What Is Function 'def' - Function Definition Statements 'return' Statement in Function Statement Block Functi...
2017-09-12, 1345👍, 0💬

'pass' - Do Nothing Statements
How to use the "pass" statement in Python code? The "pass" statement can be used as a place holder statement any where in Python code. When a "pass" statement is interpreted, Python will do nothing and continue with next statement. For example, the following Python code shows an empty function with ...
2017-09-12, 1221👍, 0💬

What Is Function
What Is Function in Python? A function, also called a method, in Python is a statement block waiting to be executed later with a function call expression. A function can have the following elements: Function name - A symbolic name that uniquely identifies this function within the context. Parameter ...
2017-09-12, 1166👍, 0💬

'continue' Statement in Repeating Statement Blocks
How to use the "continue" statement in a repeating statement block in Python code? The "continue" statement can be used in a repeating statement block like "for" and "while" loops to continue with the next looping item immediately. When a "continue" statement is interpreted, Python will skip the res...
2017-09-12, 1153👍, 0💬

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