text: # %% [markdown]
  # # EX 1.1- basic python: Pyramid case
  # Implement a function that get a string input and outputs the same word, only each odd char is lower
  # case and each even letter is upper case
  # You can assume that the input is a valid string which contains only english letters.
  # %%
  
  
  def pyramid_case(in_word):
      # TODO: return the pyramid case word.
      # WRITE IN 10 CODE LINES MAX!!!
      pass
  
  # %%
  
  
  def pyramid_case_one_liner(in_word):
      # TODO: ~~~BONUS~~~
      # return the pyramid case word in one line of code inside the function.
      # DO NOT USE ";" IN YOUR CODE.
      pass
  
  
  # %%
  # test functions here
  input_words = ["hello", "world", "", "I", "am", "LEARNING", "Python"]
  
  print("==== pyramid_case() results:")
  for word in input_words:
      print(pyramid_case(word))
  
  print("\n==== pyramid_case_one_liner() results:")
  for word in input_words:
      print(pyramid_case_one_liner(word))
  
  
  # %%
  