Cards (23)

    • What is function composition in functional programming?
      Chaining functions together
    • Functions in function composition are treated as first-class citizens.
    • Function composition is typically done from right to left
    • What is the common mathematical notation for function composition?
      f(g(x))f(g(x))
    • If g(x)=g(x) =x+ x +2 2 and f(y)=f(y) =y y *3 3, then f(g(x)) = 3x + 6
    • Steps in evaluating the function composition f(g(x))f(g(x))
      1️⃣ Compute g(x)g(x)
      2️⃣ Pass the result to ff
      3️⃣ Compute f(g(x))f(g(x))
    • Function composition enhances code readability and maintainability.
    • Match the feature with its corresponding paradigm:
      Structure ↔️ Modular and chained
      Reusability ↔️ Excellent
      Maintenance ↔️ Simple updates
    • Function composition breaks down complex tasks into smaller, reusable functions
    • What is function composition in functional programming?
      Applying one function to another
    • In function composition, functions are treated as first-class citizens.
    • In mathematical notation, function composition is represented as f(g(x))f(g(x))
    • In function composition, functions are applied from left to right.
      False
    • Match the feature with its corresponding approach:
      Notation ↔️ f(g(x))f(g(x))
      Clarity ↔️ Highly structured
      Execution ↔️ Right to left
    • What is one benefit of using function composition in programming?
      Modularity
    • Function composition enhances code clarity by chaining functions together.
    • Function composition provides excellent reusability
    • Order the steps involved in applying function composition in Python.
      1️⃣ Functions are first-class citizens
      2️⃣ Application occurs from right to left
      3️⃣ Notation follows f(g(x))f(g(x))
    • In Python, functions used in composition must be defined before being composed.
    • How is a composed function created in Python using λ\lambda?

      lambda x: f(g(x))
    • Function composition in Python applies functions from right to left.
    • Function composition is used to uppercase the first letter of a string and reverse it, with the notation f(g(text))f(g(text))
    • Function composition can combine uppercase_first and reverse_string to format text in Python.