This chapter is about Python’s Functions and Modules. Functions is an effective way to get rid of particular section of the work program and to use. The module is a way to gather several useful files, which you can use in different projects and share with other programs.
Python Functions and Modules:
This chapter is about functions and modules in Python. Functions are a handy way to isolate a particular part of your program’s functionality and make it reusable. Modules are a way to collect a number of helpful functions in one file, which you can then use in multiple projects and share with other programmers.
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We are already using our programs; Jobs are one of the most important buildings in the Python program. Whenever you enter something like x (x) or type (y) or even random.choice ([1, 2, 3]), you are using the functions. It’s just that these jobs have already been introduced in Python. In this unit we will learn to write our work.
To start my explanation why the work is appropriate and how it works, I will explain in a situation that I feel myself: a lot of Python chains.
Functions lie inside the Module:
Consider the module as the only other piece of Python code, put it in the praying table and you can not use the module code to forward any file code (or). Now try to remember what we did after re-allocating the module account. I tried a number of tasks defined in Mathematics, such as Math.floor (8.4), math.sin (3.14159), etc.
NOTE: pow (5.2), Math.floor (8.4), the offense (3.14159) is an example called a task.
To see how we can use the re seller statement to extract external fractions such as mathematical calculations, see the example of life,
# Using Math library in Python import math x = 10 # log() function is in math module y = math.log(x) print y # abs function z = -7 print abs(z) # pow function print pow(x,2)
Now, if I have already mentioned it is the only way to call and use this work. When was the real reason (law) been stored for complex mathematical activities? in which, the power, or the lower ground (s) of the evaluation rate (s). All of these codes (logos or logic), are included in the file descriptions for the details of operations. Definition of action defines the rules that describe how the parable can be interpreted in the proposed suggestions, conducting some of the actions of the action as a product or result.
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In fact, the definition of the function itself determines the type and amount of the glue and productivity (productivity always bad, but the content may be several) to work. This entry has a legal term called parameter.
Parameter: Structural structure describing the type of recommendations found in the course of this course.
Argument: The actual cost of entry into the service when using the service.
In a file file, I define the function that can be found in a solution with equation 2 + bx + c = 0. Let the function name be qSolver (a, b, c).
All you need to use this work gives a value of a, B and C, the equilibrium of the equations, and the work will be published in two real or non-existent solutions. So let’s see how we can use the methods and procedures to be exported.
Step 1: First remove the module.
>>> import BesantTechnologies
Step 2: After the activity summarizes the appropriate proportion, or 2×2-6x + 3 = 0, a = 2, b = 3 and c = -6 Therefore we call,
>>> qSolver(2, -6, 3)
It’s important not to try this non-functional activity. Why? Yes, because we do not make any specialties called ‘BesantTechnologies.py’ in the local environment (laptop / PC). Only to explain how the structure and functionality are working and how we can do the usual way of working for us. It is necessary to call the same stage of all module functions.
There are many ways to find Python. Some may be installed into the system at the point, while others can be easily downloaded from the Internet. Everything depends on what you need.
Using the Functions Described in the Module:
The following are some things you should know when using the jobs described in the module:
1. It is important to know the effective way.
2. Check if you have your system. If so, then it’s better to go ahead and download the internet.
(FIIRO GAAR AH: You can check the installation process means there is an inaccurate error ..)
3. Next, determine the name of the job you want. You can refer to the Python document for the purpose.
4. Consult the necessary documents to verify the number of causes, what they mean, and the series.
5. In addition, call the practitioner. <Module-name> is the name of the module, <name function> is the name of the work <agrument-1>, <argument 2> … is a work proof.
>>> <module-name>.<function-name>(<argument-1>, <argument-2>, ...)
Keep in mind that why it depends on the function you are using. In some cases, the job can not be an acceptable reason. This depends on what is generally called function, so you need to check the documentation of the tasks before using it.
>>> variable-name = <module-name>.<function-name>(<argument-1>, <argument-2>, ...)
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