Python Classroom Series – 01/July/2021

Working on logic for computer programs

  • Every computer programming language, gives us the following

    • Some way to allocate memory in RAM
    • Some way to execute instructions
    • Whole library to perform common actions
  • DataType: Easier interface to allocate memory to our program.

int a
char b
float c
  • Datatypes request memory of certain type & size to the OS which in turn allocates the memory to the process.

  • Two kinds of languages based on datatyping

    • Statically typed programming languages: In these programming languages we need to specify data type. Eg C, C++, Java, C#
    int a = 10
    string b = 'hello'
    • Dynamically typed programming languages: In these programming languages it is not necessary to specify types, Types are assigned dynamically depending on values passed to it. Eg python, ruby ….
    a = 10
    b = 'hello'
  • To execute the code, we need operators and Every programming language provides operators

    • Arthimetic
    • Comparision
    • Logical
    • String/Text
  • Lets define the operators which Jarvis knows

    • /
    • % Preview
    • = Assigment Preview
  • Using what Jarvis knows so far lets try to find

    • if the number is even or odd
    Hi Jarvis,
    number = 10
    number % 2 and if it is zero then it is even number else odd number
    • Simple Leap year: If the year is divisible by 4 it is a leap year.
    Hi Jarvis
    year = 2004
    calculate year % 4 and check if the value is zero then leap year 
  • Exercise:

    • Write to Jarvis to calculate
      • square of the number
      • Area of the rectangle (length * breadth)
      • find the reverse of the number (35 => 53 )

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