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OVERVIEW: OSI(Open System Interconnection) model is a conceptual model created to communicate over the network. Although the modern Internet is not based truly on the OSI model but on a simpler TCP/IP model. HISTORY: OSI model was introduced in 1983 ...
What is a REST(Representational State Transfer) API? API is the way by which systems communicate with each other. APIs can be used for various purposes, such as accessing web services, retrieving data from databases, or connecting different component...
OOP(Object Oriented Programming)'s Encapsulation: Encapsulation means wrapping up data and information under a single unit. It includes data, and functions which can affect the class. Example of encapsulation : In Colleges, there are different sectio...
Your Friendly Neighborhood Recursion. What is Recursion? To learn about Recursion let's first recall what is a function. Python function is created using the def keyword. For example: def func(): print("hello world.") func() #function call ...
Q : Finding second largest element in the array(PYTHON): Approach 1: First we define two variables large and sec_large and assign values 0 to them. Next we iterate through the entire list and make sec_large to large and large to a number greater than...
LEAP YEAR CODE (PYTHON). What is Leap Year? An extra day is added to february after every 4 years and the year is callled a leap year for ex.2016,2000,2020 etc. Conditions for a leap year. The year can be evenly divided by 4, is a leap year, unless:...
EXCEPTIONAL HANDLING IN PYTHON. What are errors in python? Syntax errors : These errors are generated by wrong syntax in python . for example 1K = 199 print(1K) output: 1K = 199 ^ SyntaxError: invalid syntax There is another error names lo...
FUNCTIONS What is a function in python. To complete a repeated task and writing the same code again and again ,we use function to call the same code just by calling it . Function starts with def keyword followed by function name and parameter in pare...
LIST COMPREHENSION. What is list comprehension? List comprehension is an elegant way to create lists. A python list comprehension consists of expressions enclosed by square brackets. For example: #Normal way to create list. x=[] for i in range (11):#...
