第五章：变量与运算符 · python学习

![](https://img.kancloud.cn/3f/74/3f749d11fd73b621a5509a9aae031ccc_687x140.png) ![](https://img.kancloud.cn/c3/aa/c3aa1686801dff964f68e31765570ed8_434x229.png) ![](https://img.kancloud.cn/a1/1c/a11c2dced1482cc0e32bd9386357129f_146x102.png) > > ***动态语言，不限制变量的类型的。*** ![](https://img.kancloud.cn/e9/ee/e9eeeb5482f0a375cc13fc47d13544a3_215x224.png) ![](https://img.kancloud.cn/53/4c/534c0dc35675cf28951f2a317e0ce240_286x191.png) ![](https://img.kancloud.cn/ab/a2/aba2248621fdd328a6b5dc2d4691a5dd_422x264.png) ![](https://img.kancloud.cn/d5/a7/d5a74167b23464d923fcc72c81737e59_290x228.png) ![](https://img.kancloud.cn/b2/b3/b2b38ffe38b1440bb2b9e1a217d8b74f_298x164.png) 值类型新建 ![](https://img.kancloud.cn/8f/c3/8fc304bce6e0c19244f2cfa95b24acf5_330x189.png) ![](https://img.kancloud.cn/1c/20/1c202ae272373581fa3a9eb078c57462_344x156.png) 引用类型没有新建，直接修改 ![](https://img.kancloud.cn/c6/28/c628ab9f1df43b5c8d79e6fa0062d89b_631x63.png) ![](https://img.kancloud.cn/6f/19/6f194c443022639a6569c7b0cf7667a1_621x314.png) ![](https://img.kancloud.cn/4c/d8/4cd82cc7e3f3acf389215a8912833cb9_671x414.png) ![](https://img.kancloud.cn/7c/b5/7cb5cda62e80042e7021d016adfadd88_637x302.png) ![](https://img.kancloud.cn/9f/e8/9fe83a1dd2c93d13b8c9cc6d7e62af57_320x311.png) ![](https://img.kancloud.cn/c5/5e/c55eb641e64a8ece9c2dbf65d8dc90f6_521x504.png) ![](https://img.kancloud.cn/b6/fb/b6fbad37f631208eb3f3924384eee0af_764x446.png) ![](https://img.kancloud.cn/1c/81/1c813015732f4f475c6d29990efd48d1_373x317.png) ![](https://img.kancloud.cn/84/9b/849bbc2ca53fca9b964f60d46c7b74c5_641x558.png) ![](https://img.kancloud.cn/ad/a5/ada56a0ce32bbb008e843ba00f400bd3_278x312.png) ![](https://img.kancloud.cn/9b/f2/9bf205d7addaad7c42e70b7294631e09_603x493.png) ![](https://img.kancloud.cn/44/b0/44b014a0ad885db0d62d4af10817fed7_250x238.png) ![](https://img.kancloud.cn/90/be/90be20e2d7c468e578a414e706b2d9c1_694x369.png) ![](https://img.kancloud.cn/f2/0e/f20ed55fea8affcd8536a36537f50283_221x101.png) ![](https://img.kancloud.cn/c4/eb/c4eb98d184fff0c804e8f0c3eae4b13c_269x271.png) ![](https://img.kancloud.cn/e9/8b/e98b768ea488677fbef1c3cf1215d6d1_285x296.png) ![](https://img.kancloud.cn/dd/ec/ddec15994583d5bab067a6c951df9dd3_483x300.png) ![](https://img.kancloud.cn/c8/ad/c8ad637722b5eea53ad89eca3246a71c_239x229.png) ![](https://img.kancloud.cn/ad/60/ad608141f478a95ebfcbca4f4c55c832_194x171.png) ![](https://img.kancloud.cn/8a/2b/8a2b1c9b86af312aa8a1ae1940e46548_390x353.png) ![](https://img.kancloud.cn/f5/ad/f5adf1136e64183992ca23703512bb57_331x276.png) ![](https://img.kancloud.cn/ae/52/ae5211ddf18c43e5f55230776e99eeaf_264x179.png) ![](https://img.kancloud.cn/c6/89/c68961ada53be0a7c6e03313e030e8d6_480x275.png) ![](https://img.kancloud.cn/3b/d6/3bd642dcbff0e6d4de1411bdb15ce59d_686x299.png) ![](https://img.kancloud.cn/85/57/855769e77ee768327e941268ae98c292_193x199.png) ![](https://img.kancloud.cn/66/68/6668ebecc9886707b313b6da38cd5e30_396x330.png) ![](https://img.kancloud.cn/86/2b/862b202ead809faafde601ba67143beb_389x266.png) ![](https://img.kancloud.cn/b5/76/b57666832c4c840ea278ef1b0142118b_445x358.png) ![](https://img.kancloud.cn/fc/32/fc32946d7b416893f1fb1973575e23ae_471x58.png) ![](https://img.kancloud.cn/4a/48/4a48d22c86709f6a2806b2cbea9a008a_450x173.png) ![](https://img.kancloud.cn/c8/0a/c80ab28e76d35da877a36d6ca7440f77_246x168.png) ![](https://img.kancloud.cn/d5/1e/d51e232d1c111e696a62c82e3539265d_352x139.png)