Презинтация ағылшын тілінде "Loops" (8 класс)

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  Loops.
  

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  Discuss the following picture.
  

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  What is
  a
  ‘Loop’?
  

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  A loop is an order of instructions that
  repeats for many times.
  
  Each repetition is called an iteration of the loop.
  
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  Terminology
  PART
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  loop
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  iteration
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  divisible
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  ascending
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  counter
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  even
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  odd
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  to fix
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  Coding for loops: Activity
  

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  Types of Loops
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  For loop
  While
  do...while
  Repeats a statement or group of statements until a given condition in use. It tests the condition BEFORE executing the body.
  Execute the sequence of statements multiple times.
  Like a while statement, except that it tests the condition at the END of the loop body.
  

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  Parts of a loop
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  Initialization Expression initializes the loop variables in the beginning of the loop.
  Test Expression decides whether the loop will be executed (if test expression is true) or not (if test expression is false).
  Update Expression updates the values of loop variables after every iteration of the loop.
  The-Body-of-the-Loop contains statements to be executed repeatedly.
  

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  The syntax:
  
  
  C++
  
  
  
  Python
  for value in sequence:
  body of for
  

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  C++
  

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  Python
  

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  Mark Zuckerberg teaches Loops
  
  

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  Thanks!
  Any questions?
  
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