input: Write a function to find the longest contiguous sequence of increasing numbers within an array and return that sequence. If the array is empty, return an empty list.
  def find_longest_increasing_sequence(arr):
   longest_start = 0
   longest_length = 0
  
   current_start = 0
   current_length = 0
  
   for i in range(1, len(arr)):
    prev_val = arr[i - 1]
    curr_val = arr[i]
  
    if curr_val > prev_val:
     current_length += 1
    else:
     current_start = i
     current_length = 1
  
    if current_length > longest_length:
     longest_start = current_start
     longest_length = current_length
  
   longest_sequence = arr[longest_start:longest_start + longest_length] if longest_length > 0 else []
   return longest_sequence
  
  arr1 = [3, 2, 1, 4, 5, 6, 7, 8]
  assert find_longest_increasing_sequence(arr1) == [4, 5, 6, 7, 8]
  
  arr2 = []
  assert find_longest_increasing_sequence(arr2) == []
  
  arr3 = [1, 2, 3, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 5, 6, 7, 8, 9]
  assert find_longest_increasing_sequence(arr3) == [5, 6, 7, 8, 9]
  
  arr4 = [10, 11, 12, 13, 1, 2]
  assert find_longest_increasing_sequence(arr4) == [10, 11, 12, 13]
output: def find_longest_increasing_sequence(arr):
      if not arr:
          return []
      
      longest_start = 0
      longest_length = 1
      current_start = 0
      current_length = 1
  
      for i in range(1, len(arr)):
          if arr[i] > arr[i - 1]:
              current_length += 1
          else:
              if current_length > longest_length:
                  longest_start = current_start
                  longest_length = current_length
              current_start = i
              current_length = 1
  
      if current_length > longest_length:
          longest_start = current_start
          longest_length = current_length
  
      return arr[longest_start:longest_start + longest_length]