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Python Regex: The 5 Exclusive Examples

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 Regular expressions (regex) are powerful tools for pattern matching and text manipulation in Python. Here are five Python regex examples with explanations: 01 Matching a Simple Pattern import re text = "Hello, World!" pattern = r"Hello" result = re.search(pattern, text) if result:     print("Pattern found:", result.group()) Output: Output: Pattern found: Hello This example searches for the pattern "Hello" in the text and prints it when found. 02 Matching Multiple Patterns import re text = "The quick brown fox jumps over the lazy dog." patterns = [r"fox", r"dog"] for pattern in patterns:     if re.search(pattern, text):         print(f"Pattern '{pattern}' found.") Output: Pattern 'fox' found. Pattern 'dog' found. It searches for both "fox" and "dog" patterns in the text and prints when they are found. 03 Matching Any Digit   import re text = "The price of the

5 AWS Tricky Interview Questions

Below are the top tricky questions asked in AWS interviews


5 Tricky Questions on Amazon Web services for IT developers.


1) How do you store objects in Reduced Redundancy Storage in S3?

  • Specify REDUCED_REDUNDANCY tags in the HTML code.
  • Specify REDUCED_MIRRORING on a PUT request using an optional header.
  • Specify LOW_REPLICATION on a PUT request using an optional header.
  • Specify LOW_REPLICATION on a GET request for objects.
  • Specify REDUCED_REDUNDANCY on a PUT request using an optional header.


2) Which is required to log on to the AWS management console on a mobile device?


  • SSO alias
  • SiteMinder
  • Gateway address
  • IAM token
  • AWS account


3) How do you receive notifications based on the value of a metric being above or below a stated threshold in Amazon CloudWatch?


  • Set Amazon SmartAlert.
  • Log on through the Amazon console.
  • Create an Amazon CloudWatch threshold dashboard.
  • Create an Amazon CloudWatch alarm.
  • Create a DescribeAlarmHistory API.


4) Scenario-You are testing Oracle, SQL Server, and Mongo DB databases in your AWS account to determine which database to use for your application. Question-Based on the scenario above, how do you decrease the processing time of testing these databases?

  • Transfer the installed files and folders for each database from your local computer to S3.
  • Set up Database as a Service (DaaS) from these vendors.
  • Download DB software directly to Amazon from the vendor site.
  • Configure the File Transfer Protocol (FTP) for the database software from your local computer to S3.
  • Select vendor-provided database AMIs.


5) How do you verify your Amazon CloudSearch application is ready for release to end-users?

  • Look for error logs in the Amazon CloudSearch diagnostics sections.
  • Set up a search engine task using the IP address of the CloudSearch server.
  • Look at the keywords from the indexes in Amazon CloudSearch to ensure readiness.
  • Test sample queries using the search tester in the Amazon CloudSearch console.
  • Create APIs to test the output from Amazon CloudSearch.
  • Answers Click here

Comments

  1. Thanks for this amazing post Amazon Interview questions keep changing, but the objective of testing candidate's problem solving ability is constant.

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