text: '''     For loop
  
      main
      :
     For __Next___
      |           |
      |   ^     Output
      |   |_______|
      |
     End 
  
  
  
          Syntax of For Loop
  '''
  for i in range(5):
      print(i)  # 0
              # 1
              # 2
              # 3
              # 4
  
  
  # loop from 0 to 10
  for i in range(11):
      print(i)
  0
  1
  2
  3
  4
  5
  6
  7
  8
  9
  10
  
  
  for i in range(5):
      print('Hello World!')  # Hello World!
                          # Hello World!
                          # Hello World!
                          # Hello World!
                          # Hello World!
  
  
  for i in range(5):
      print(i, 'Hello World!')  # 0 Hello World!
                              # 1 Hello World!
                              # 2 Hello World!
                              # 3 Hello World!
                              # 4 Hello World!
  
  
  #  design a loop that loops from one to 10
  for i in range(1, 11):
      print(i)  # 1
              # 2
              # 3
              # 4
              # 5
              # 6
              # 7
              # 8
              # 9
              # 10
  
  
  # print even numbers up to 10 (2, 4, 6, 8, 10)
  # 2
  # 2+2 = 4
  # 4+2 = 6
  # 6+2 = 8
  # 8+2 = 10
  for i in range(2, 11, 2):
      print(i)  # 2
              # 4
              # 6
              # 8
              # 10
  
  
  # 1, 3, 5, 7, 9
  for i in range(1, 10, 2):
      print(i)  # 1
              # 3
              # 5
              # 7
              # 9
  
  
  # countdown loop
  for i in range(10, 0, -1):
      print(i)  # 10
              # 9
              # 8
              # 7
              # 6
              # 5
              # 4
              # 3
              # 2
              # 1
  