What is Dictionary In Python? Python Dictionary Tutorial | Edureka
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A Python dictionary is a collection data type that stores data in key-value pairs, making it unordered and mutable. Unlike lists, dictionaries are accessed by keys instead of indices and do not allow duplicate keys, making them ideal for unique values. The document also provides examples of how to implement and manipulate dictionaries in Python, along with a use case involving storing and displaying player stats for the Indian World Cup squad in 2019.
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![How To
Implement
Dictionary In
Python?
www.edureka.co/python
Dictionary in python is declared inside curly brackets.
mydictionary = { ‘key’ : ‘value’,
‘key2’: ‘value2’,
‘key3’: ‘value3’
}
mydictionary[‘key’]
mydictionary.get(‘key’)](https://image.slidesharecdn.com/pythondictionary-190920135043/85/What-is-Dictionary-In-Python-Python-Dictionary-Tutorial-Edureka-10-320.jpg)
![Operations
In Python
Dictionary
www.edureka.co/python
#adding an element
mydictionary[‘key4’] = ‘value4’
#replacing an element
mydictionary[‘key1’] = ‘edureka’
• clear()
• copy()
• values()
• update()
• fromkeys()
• get()
• items()
• keys()
• pop()
• popitem()
• setdefault()](https://image.slidesharecdn.com/pythondictionary-190920135043/85/What-is-Dictionary-In-Python-Python-Dictionary-Tutorial-Edureka-12-320.jpg)
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What to learn during the 21 days Lockdown | EdurekaEdureka! The document outlines a 21-day learning plan recommended during the nationwide lockdown imposed by India's Prime Minister to combat the coronavirus. It suggests focusing on various technology topics such as software development, web app development, and cybersecurity, with structured learning milestones for freshers and experienced professionals. Additionally, it addresses frequently asked questions related to transitioning into tech careers and the potential career benefits from the proposed learning activities.
Top 10 Dying Programming Languages in 2020 | Edureka
Top 10 Dying Programming Languages in 2020 | EdurekaEdureka! The document discusses the decline and current challenges faced by ten outdated programming languages, including Perl, Objective C, and COBOL 60. Each language is critiqued for specific pitfalls such as increasing disuse, lack of community support, and poor performance. The overall theme highlights the shifting landscape of the programming job market and the need for developers to adapt to more modern languages.
Top 5 Trending Business Intelligence Tools | Edureka
Top 5 Trending Business Intelligence Tools | EdurekaEdureka! The document analyzes top business intelligence (BI) tools based on a survey of 600 buyers, highlighting key features and advantages of each tool. It ranks the tools from Tableau as the most popular to SAS, showcasing their respective benefits such as interactive visualizations, ease of use, and fast processing. The document emphasizes the importance of BI and data governance in meeting buyer expectations and maximizing data utilization.
Tableau Tutorial for Data Science | Edureka
Tableau Tutorial for Data Science | EdurekaEdureka! The document provides an introduction to Tableau, an analytics platform designed for data visualization and business intelligence. It presents two problem statements: the first focuses on analyzing profit issues at a superstore from 2012-2015, while the second aims to analyze TED talk transcripts to understand persuasive communication through NLP techniques. The document outlines objectives, expectations, and methods for both use cases to extract insights and visualize data effectively.
Python Programming Tutorial | Edureka
Python Programming Tutorial | EdurekaEdureka! The document provides an overview of Python programming, highlighting its ease of learning, versatility, and support from a large community of developers. It discusses various applications in web development, data science, machine learning, and artificial intelligence, along with common beginner mistakes and suggested remedies for effective learning. Additionally, it offers information on Python versions, important programming concepts, and project ideas.
Top 5 PMP Certifications | Edureka
Top 5 PMP Certifications | EdurekaEdureka! The document outlines various project management certifications, including details about their prerequisites, exam fees, validity, and potential salary increases. Key certifications mentioned include CAPM, CSM, PMI-ACP, PRINCE2, and PMP, each highlighting their relevance in today's competitive job market. It emphasizes the importance of choosing the right certification based on market demand and personal career goals.
Top Maven Interview Questions in 2020 | Edureka
Top Maven Interview Questions in 2020 | EdurekaEdureka! The document provides a comprehensive overview of Apache Maven, covering its features, functionalities, and distinctions from other build tools. It discusses core concepts like the Project Object Model (POM), build lifecycles, dependency management, and types of repositories, along with commands for project management. Additionally, it explains Maven plugins, archetypes, and various dependency scopes to facilitate efficient project builds and management.
Linux Mint Tutorial | Edureka
Linux Mint Tutorial | EdurekaEdureka! Linux Mint is a community-driven Linux distribution based on Ubuntu, designed to be modern, elegant, and user-friendly. It offers three different flavors featuring various desktop environments. The operating system is free, open-source, and comes with a suite of pre-installed applications.
How to Deploy Java Web App in AWS| Edureka
How to Deploy Java Web App in AWS| EdurekaEdureka! Amazon Web Services (AWS) is a secure cloud services platform that offers a range of functionalities including compute power, database storage, and content delivery to aid business growth. It supports the deployment of Java web applications through tools like AWS Elastic Beanstalk, enhancing automation and management. Prerequisites for deployment include JDK 8 or higher, Tomcat 8 or higher, and Eclipse IDE for Java EE.
Importance of Digital Marketing | Edureka
Importance of Digital Marketing | EdurekaEdureka! The document discusses the significant growth of digital marketing, predicting it will reach $118 billion by 2021, with a focus on the rise of AI and voice search impacting marketing strategies. It highlights the diverse career opportunities in the field, emphasizing an increase in job demand and the importance of staying updated with trends to maintain competitiveness. Additionally, it advocates for learning digital marketing as a means to upskill and adapt in a continuously evolving industry.
RPA in 2020 | Edureka
RPA in 2020 | EdurekaEdureka! The document discusses the history and statistics of Robotic Process Automation (RPA), highlighting its efficiency improvements, error reduction, and growth in adoption among European companies. It features key players in the RPA field, such as UiPath and Blue Prism, and outlines the skills and salary ranges for RPA developers in India and the United States. The document also emphasizes the integration of RPA with AI technologies and the increasing demand for automation tools.
Email Notifications in Jenkins | Edureka
Email Notifications in Jenkins | EdurekaEdureka! The document discusses Jenkins, emphasizing the importance of email notifications for build successes and failures. It outlines a step-by-step guide on how to integrate email services within Jenkins to notify developers. Additionally, it highlights the challenges faced when code works in development but fails in production.
EA Algorithm in Machine Learning | Edureka
EA Algorithm in Machine Learning | EdurekaEdureka! The document discusses the Expectation-Maximization (EM) algorithm in machine learning, particularly in relation to latent variables and the Gaussian Mixture Model (GMM). It outlines how the algorithm works, highlighting its advantages such as guaranteed likelihood increase and ease of M-step solutions, as well as disadvantages like slow convergence and susceptibility to local optima. Additionally, it covers the role of probability density estimation in analyzing observed data.
Cognitive AI Tutorial | Edureka
Cognitive AI Tutorial | EdurekaEdureka! Cognitive computing aims to mimic human reasoning and behavior to solve complex problems. It works by simulating human thought processes through adaptive, interactive, iterative and contextual means. Cognitive computing supplements human decision making in sectors like customer service and healthcare, while artificial intelligence focuses more on autonomous decision making with applications in finance, security and more. A use case of cognitive AI is using it to assess skills, find relevant jobs, negotiate pay, suggest career paths and provide salary comparisons and job openings to help humans.
AWS Cloud Practitioner Tutorial | Edureka
AWS Cloud Practitioner Tutorial | EdurekaEdureka! The document discusses the benefits and features of Amazon Web Services (AWS), highlighting its extensive global infrastructure, with 64 availability zones across 21 regions and a rapid increase in services. It offers information on the AWS Cloud Practitioner certification, including exam details, course objectives, and its value in the job market. The text further emphasizes AWS's industry dominance and projected market growth.
Blue Prism Top Interview Questions | Edureka
Blue Prism Top Interview Questions | EdurekaEdureka! The document presents a comprehensive set of interview questions and answers related to Blue Prism, an RPA tool, covering various aspects such as differences between RPA and automation, stages of the RPA lifecycle, and features of RPA. It also discusses Blue Prism's architecture, components, and security measures, emphasizing the tool's user-friendly features that do not require coding skills. Additionally, it outlines practical steps for executing processes and managing work queues within the Blue Prism environment.
Big Data on AWS Tutorial | Edureka
Big Data on AWS Tutorial | Edureka Edureka! The document discusses big data, defining it as large volumes of data from various sources and formats. It outlines how Amazon Web Services (AWS) provides solutions to big data challenges through services for data ingestion, storage, preprocessing, and visualization. Key AWS services mentioned include Kinesis, Snowball, EMR, Redshift, S3, Glue, and QuickSight.
A star algorithm | A* Algorithm in Artificial Intelligence | Edureka
A star algorithm | A* Algorithm in Artificial Intelligence | EdurekaEdureka! The document explains the A* search algorithm, which is an improvement over the Dijkstra algorithm, prioritizing the shortest route and computing efficiently. It details the algorithm's parameters, such as cost and heuristic, used to find optimal paths. The A* algorithm is presented as optimal and complete, providing the best solutions for pathfinding problems.
Kubernetes Installation on Ubuntu | Edureka
Kubernetes Installation on Ubuntu | EdurekaEdureka! The document provides detailed steps for installing Kubernetes, including turning off swap space, updating repositories, setting hostnames, and installing necessary components like Docker and kubeadm on both master and slave nodes. It also outlines the process for initiating the Kubernetes cluster, installing the pod network, and setting up the Kubernetes dashboard at the master node, while detailing the steps for slave nodes to join the cluster. Additionally, it highlights the availability of Kubernetes certification training through Edureka.
Introduction to DevOps | Edureka
Introduction to DevOps | EdurekaEdureka! The document is a comprehensive tutorial on DevOps, covering its definition, phases, and tools, as well as comparing DevOps with the traditional waterfall and agile methodologies. It discusses the limitations of these models and emphasizes the importance of specific DevOps practices such as continuous integration, continuous delivery, and continuous monitoring. Additionally, practical use cases illustrate the application of DevOps in software development through version control and containerization techniques.
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- 2. What Is Dictionary In Python? Why Use A Python Dictionary? Dictionary vs Lists www.edureka.co/python How To Implement Python Dictionary? Operations In Python Dictionary Use Case
- 4. www.edureka.co/python A dictionary is a collection data type which has key value pairs. UNORDERED MUTABLE INDEXED NO DUPLICATE MEMBERS
- 6. Why Use A Python Dictionary? www.edureka.co/python Unordered and stores values like a map Contains key value pairs unlike other data types Similar to real life dictionary with distinct key values
- 8. Dictionary Vs Lists www.edureka.co/python Dictionary List Unordered Ordered Accesses via keys Accessed via index Collection of key value pairs Collection of elements Preferred when you have unique key values Preferred for ordered data No duplicate members Allows duplicate members
- 9. How To Implement Dictionary In Python? www.edureka.co/python
- 10. How To Implement Dictionary In Python? www.edureka.co/python Dictionary in python is declared inside curly brackets. mydictionary = { ‘key’ : ‘value’, ‘key2’: ‘value2’, ‘key3’: ‘value3’ } mydictionary[‘key’] mydictionary.get(‘key’)
- 12. Operations In Python Dictionary www.edureka.co/python #adding an element mydictionary[‘key4’] = ‘value4’ #replacing an element mydictionary[‘key1’] = ‘edureka’ • clear() • copy() • values() • update() • fromkeys() • get() • items() • keys() • pop() • popitem() • setdefault()
- 14. Use Case www.edureka.co/python Problem Statement : Store the Indian World cup squad data for 2019.You should be able to display the stats of any player from the data. Store the data in the dictionary Implement a dictionary Import pandas package Make unique keys Use data frame to display stats
- 15. Copyright © 2017, edureka and/or its affiliates. All rights reserved. www.edureka.co