#!/usr/bin/python
# -*- coding:utf-8 -*- 

import sys
import math

# 判斷是否為數字
def isNum(value):
    try:
        value + 1
    except TypeError:
        return False
    else:
        return True

# 判斷是否為數字
def isNum2(value):
    try:
        x = int(value)
    except TypeError:
        return False
    except
 
 ValueError:
        return False
    except Exception, e:
        return False
    else:
        return True


def test1():
    a = "123abcDE"
    print a.isalnum()       # True, 所有字元都是數字或者字母
    a = "abcDE"
    print a.isalpha()       # True, 所有字元都是字母
    a = "123.3"
    print a.isdigit()       # False, 所有字元都是數字
 

    a = "abcde"
    print a.islower()       # True, 所有字元都是小寫
    a = "ABCDE"
    print a.isupper()       # True, 所有字元都是大寫
    a = "Abcde"
    print a.istitle()       # True, 所有單詞都是首字母大寫，像標題
    a = "\t"
    print a.isspace()       # True, 所有字元都是空白字元、\t、\n、\r
    arr = (1, 2.1, -3, -4.5, '123a', 'abc'
 
, 'aBC', 'Abc', 'ABC', '\t')
    for a in arr:
        print a,isNum(a)

    '''
    1 True
    2.1 True
    -3 True
    -4.5 True
    123a False
    abc False
    aBC False
    Abc False
    ABC False
        False
    '''

    for a in arr:
        print a,isNum2(a)
    '''
    1 True
    2.1 True
    -3 True
    -4.5 True
    123a False
    abc False
    aBC False
    Abc False
    ABC False
        False
    '''