input: Write a function to modify an existing Python function to eliminate any redundancies. If the given function is already efficient, return it as is.
  assert eliminate_redundancies("def just_me(name):\n    print('Hi, my name is '+name+'.')\n    print('I am special and nothing else matters.')\n    print('What about you?')")=="def just_me(name):\n    print('Hi, my name is '+name+'. I am special and nothing else matters.')\n    print('What about you?')"
  assert eliminate_redundancies("def greet(name):\n    print('Hello, ' + name + '!')\n    return None")=="def greet(name):\n    print('Hello, ' + name + '!')\n    return None"
output: def eliminate_redundancies(func_str):
      lines = func_str.split('\n')
      new_lines = []
      i = 0
      while i < len(lines):
          if i < len(lines) - 1 and lines[i].strip().startswith('print(') and lines[i+1].strip().startswith('print('):
              combined_print = lines[i].strip() + ' ' + lines[i+1].strip().split('print(')[1].split(')')[0] + ')'
              new_lines.append(combined_print)
              i += 2
          else:
              new_lines.append(lines[i])
              i += 1
      return '\n'.join(new_lines)