def camelize(strings):
  """
  Make a camelcase string
  Args:
    strings (list[string]): list of strings

  DocTests:
    >>> camelize(['one', 'two', 'three'])
    'OneTwoThree'
  """
  return ''.join((s[0].upper() +
                  ''.join([c.lower() for c in s[1:]])
                  for s in strings))