用python把数字转换成字母


方法一(普通方法):

# -*- coding: utf-8 -*-

#把数字转换成相应的字符,1-->‘A‘ 27-->‘AA‘
def changeNumToChar(toSmallChar=None, toBigChar=None):
  #n = toSmallChar and toSmallChar or toBigChar
  #c = toSmallChar and ord(‘A‘)-1 or ord(‘a‘)-1
  init_number = 0
  increment = 0
  res_char = ‘‘
  if not toSmallChar and not toBigChar:
     return ‘‘
  else:
	  if toSmallChar:
	    init_number = toSmallChar
	    increment = ord(‘A‘) - 1
	  else:
	    init_number = toBigChar
	    increment = ord(‘a‘) - 1

  shang,yu = divmod(init_number, 26)
  char = chr(yu + increment)
  res_char = char*(shang + 1)
  #for i in range(shang + 1):
  #   char = chr(yu + increment)
  #  res_char += char

  return res_char

test_number = input()
result = changeNumToChar(toSmallChar=test_number)
print ‘%s对应的字符是:%s‘,test_number,result


方法二(精简后的方法):

def changeNumToChar(self, toSmallChar=None, toBigChar=None):
      ‘‘‘
      把数字转换成相应的字符,1-->‘A‘ 27-->‘AA‘
      ‘‘‘
      init_number = 0
      increment = 0
      res_char = ‘‘
      if not toSmallChar and not toBigChar:
         return ‘‘
      else:
          if toSmallChar:
            init_number = toSmallChar
            increment = ord(‘a‘) - 1
          else:
            init_number = toBigChar
            increment = ord(‘A‘) - 1

      shang,yu = divmod(init_number, 26)
      char = chr(yu + increment)
      res_char = char * (shang + 1)

      return res_char



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用python把数字转换成字母

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