Comment déterminer le type de caractère en Python

"""从键盘上输入 一个字符，判断其字符类型。"""
while True:
      char = input("请输入需要判断的字符:")
      if str.isdigit(char) == True:
          print("该字符为数字")
          try:
              char = int(char)
             print("并且该数值类型为int")
         except:
             pass
 
     elif str.isalpha(char) == True:
         
         if char >= u'\u4e00' and char <= u'\u9fa5':   # 判断该字符是否为汉字
             print("该字符是汉字")
         else:
             print("该字符是字母")
     elif str.isalnum(char) == True:
         print("该字符为数字和字母组合")
     elif char == " ":
         print("该字符为空格")
     else:
         try:
             char = float(char)
             print("该字符为数字")
             print("并且该数值类型为float")
         except:
             print("该字符为其他")