对于一维数组/列表，如果要输入，我们将简单地循环执行：
a = input()
ch.append(a)
但是如何附加一个二维数组，该数组具有两个for-in循环，一个嵌套在另一个循环中？
答案 0 :(得分：0)
您的问题对我来说并不完全清楚，但是，我建议您研究一下其他的numpy函数：
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<title>opX</title>
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<link rel="stylesheet" href="stylesheet.css" type="text/css">
<div class="navbar-fixed navbfx">
<nav class="navbfx">
<navOne>
<div class="nav-wrapper" style="background-color: #313131;">
<ul class="left hide-on-med-and-down" id="topNav">
<li class="waves-effect waves-light"><a href="index.html" style="color: #c1cbc1">Search</a></li>
<li class="waves-effect waves-light"><a href="" style="color: #c1cbc1">Chat</a></li>
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<li class="waves-effect waves light"><a href="" style="color: #c1cbc1">Sign in</a></li>
<li><i class="material-icons">settings</i></li>
</ul>
</div>
</navOne>
</nav>
</div>
<main>
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<div id="mapContainer"></div>
<script>
// Initialize the platform object - app_ID and app_Code are included - I just removed for this post
var platform = new H.service.Platform({
'app_id': '{removed}', /* API INFO HERE*/
'app_code': '{removed}'
});
// Obtain the default map types from the platform object
var maptypes = platform.createDefaultLayers();
// Instantiate (and display) a map object
var map = new H.Map(
document.getElementById('mapContainer'),
maptypes.normal.map, {
zoom: 10,
center: {
lat: 52.5,
lng: 13.4
}
});
var mapEvents = new H.mapevents.MapEvents(map);
var behavior = new H.mapevents.Behavior(mapEvents);
</script>
</main>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/materialize/1.0.0/js/materialize.min.js"></script>
np.concatenate np.hstack np.vstack
等