What Is Variable

Q

What is variable in Python?

✍: FYIcenter.com

A

A variable is symbolic name that can be assigned with a reference link to a data object resulted from an expression.

In Python, variables are not declared specifically for any data type. They can be used without declaration statements. For example, the following assignment statements defines variable "x" and assigned with an "int" object first, then changed to a "float" object:

>>> x = 1234
>>> x
1234
>>> x = 3.14159
>>> x
3.14159

Variable names must start with alphabetical letters or "_". For example, some invalid variable names are listed below:

3x 
"x"
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⇒ What Is Assignment Statement

⇐ Evaluation of Expressions

⇑ Expressions, Variables and Assignment Statements

⇑⇑ Python Tutorials

2018-03-13, ∼2192🔥, 0💬

What Is Expression
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'dict' Values are Objects
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Statement Syntax and Execution Flow Control
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Expressions, Variables and Assignment Statements
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Evaluation of Expressions
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'list' Values are Objects
Are "list" values objects in Python? Yes, "list" values are objects in Python. In fact, all data values in Python are objects. In Python, "list" is defined as an object class with the following interesting properties, constructors, and methods: list.__doc__ - Property holding a short description of ... 2022-12-03, ∼2206🔥, 0💬

What Is Variable
What is variable in Python? A variable is symbolic name that can be assigned with a reference link to a data object resulted from an expression. In Python, variables are not declared specifically for any data type. They can be used without declaration statements. For example, the following assignmen... 2018-03-13, ∼2193🔥, 0💬

Comments in Python Code
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What Is Assignment Statement
What is Assignment Statement in Python? An Assignment Statement is associates a reference of a data object resulted from an expression to a variable or to an item in a list or dictionary. Assignment statement has the following syntax: variable = expression After the data object is assigned to a vari... 2018-03-13, ∼2175🔥, 0💬

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