Introduction:

1. The PIP is basically defined as it is a package manager for Python packages, or modules.

2. When we are using the Python 3.4 Version or later then it is present by default.

3. A Package is a collection of precompiled class which we usually need for writing a program or developing a project work.

4. A package is also a collection of Library.

5. In most of the cases if we need to check whether PIP is present in our Python Library or not we need to use the following command as

6. C:\Users\Your Name\AppData\Local\Programs\Python\Python36-32\Scripts>pip --version   

Here, I am going to discuss about the PIP in Python regarding its use and implementation. Here we are also going to discuss that how we can install the PIP if we are using the earlier version of Python.

What is PIP:

1. As we have already discussed earlier that the PIP is a Package Manager for Python.

2. In most of the cases if we need to check whether PIP is present in our Python Library or not we need to use the following command as

C:\Users\Your Name\AppData\Local\Programs\Python\Python36-32\Scripts>pip --version   

3. When we are going to implement the concept in programming then we may need the PIP as a environment.

How to Install PIP In Python:

As we have already discussed that if we are going to have the Python 3.4 version onwards with us then it is by default present in the system. But if we are using the Python 2 then we need to install the PIP manually. To do so we need to proceed as follows.

1. As stated earlier we first need to Check if PIP is Installed in our system or not. To do so we need to navigate our command line to the location of Python's script directory.

2. For this we need to type the following command in the console as: C:\Users\Your Name\AppData\Local\Programs\Python\Python36-32\Scripts>pip –version

3. If you do not have PIP get installed in your system then you need to Install PIP by redirecting to the following link: https://pypi.org/project/pip/

4. Downloading a PIP package is very easy just we need to Open the command line interface and download the package you want to install in your system.

     5.Navigate your command line to the location of Python's script directory,            and type the following:                    C:\Users\YourName\AppData\Local\Programs\Python\Python36-32\Scripts>pip install camelcase

     6.It is the first package that you have installed in your system and it is ready to use.

7. Now you need to Import the "camelcase" package into your project. The code for doing this is as mentioned below.

import camelcase

c = camelcase.CamelCase()

txt = "hello world"

print(c.hump(txt))

Similarly, if you need to install the PIP separately then you need to follow the following steps mentioned as below.

1. Download the package form internet get-pip.py

2. Open Command prompt and Run the following command such as C:\ Users\YourName\python get-pip.py

Similarly, if you need to upgrade the PIP version in your system, you need to type the following command as C:\ Users\YourName\python -m pip install –upgrade pip

Now after this you are ready with your updated PIP in your system and it is ready to use.

Installing A Library:

For the installation of library in PIP, If you’re using Windows, then open the Windows Command Prompt, and then typing this command:

pip install package name

For example, if we need to install the scikit-learn package, then we can type the command as 

pip install scikit-learn

It will install the package to your system. The screen shot you will receive by the system as

In the similar manner you can be able to install any package as per your wish. But it should be get noted that if you need to install a specific version of library package then you need to mention it. 

For example, if I need to install the version 0.19.2 of scikit-learn then I need to mention it as

pip install scikit-learn==0.19.2

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