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CodeSignal

Storing Data in Python Variables

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Overview

Programs get useful once they can remember information. Here you'll store values inside variables, give those variables clear names, use them in calculations and messages, update them as a program runs, and convert between text and numbers so the data you work with is ready for the task at hand.

Syllabus

  • Unit 1: Creating and Naming Variables
    • Storing Your First Text Value
    • Storing Numbers in Variables
    • Reusing One Variable Twice
    • Renaming for Readability
  • Unit 2: Using Variables in Expressions
    • Adding Two Variables Together
    • Adding a Number to a Variable
    • Storing a Computed Result
    • Combining Three Variables in One Expression
  • Unit 3: Updating and Reusing Variables
    • Swapping One Score for Another
    • Growing the Score with Itself
    • A Shorter Way to Score
    • Handing Out a Score Penalty
  • Unit 4: Converting Text and Numbers
    • Same Look Different Types
    • Turning Text Into Numbers
    • Turning Numbers Into Messages
    • Decimals and the Wrong Tool

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