new_contents: """
  65 Valid Number
  https://leetcode.com/problems/valid-number/description/
  Validate if a given string is numeric.
  
  Some examples:
  "0" => true
  " 0.1 " => true
  "abc" => false
  "1 a" => false
  "2e10" => true
  Note: It is intended for the problem statement to be ambiguous. You should gather all requirements up front before implementing one.
  
  Update (2015-02-10):
  The signature of the C++ function had been updated. If you still see your function signature accepts a const char * argument, please click the reload button  to reset your code definition.
  
  
  """
  
  class Solution(object):
      def isNumber(self, s):
          """
          :type s: str
          :rtype: bool
          """
          try:
              float(s)
              return True
          except ValueError:
              pass
  
          try:
              import unicodedata
              unicodedata.numeric(s)
              return True
          except (TypeError, ValueError):
              pass
          return False
          
  
subject: Create 65_valid_number.py