甲和乙是同寢室的室友,甲無意間得知乙的郵局提款卡密碼,某日甲趁乙去上課不在寢室時,將乙放在床邊的皮夾內郵局提款卡取出，到提款機提領三萬元之後又將卡片放入乙之皮夾內。甲之行為如何評價?

https://lh4.googleusercontent.com/-A4AS0qNud-g/U4oVnQFEvhI/AAAAAAABjKM/3-ebtaW-OSQ/s600/%252210153998_748773738477100_4584558231208604571_n.jpg%2522.jpg
https://lh5.googleusercontent.com/-zQO0ih7XsBk/U4oVw37_2hI/AAAAAAABjKU/9jpiZ2jT8ys/s600/%25221464730_748773758477098_4400597822983474226_n.jpg%2522.jpg

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