<p>Given the radius and the position of the center of a circle, implement the function <code>randPoint</code> which generates a uniform random point inside the circle.</p>

<p>Implement the <code>Solution</code> class:</p>

<ul>
	<li><code>Solution(double radius, double x_center, double y_center)</code> initializes the object with the radius of the circle <code>radius</code> and the position of the center <code>(x_center, y_center)</code>.</li>
	<li><code>randPoint()</code> returns a random point inside the circle. A point on the circumference of the circle is considered to be in the circle. The answer is returned as an array <code>[x, y]</code>.</li>
</ul>

<p>&nbsp;</p>
<p><strong class="example">Example 1:</strong></p>

<pre>
<strong>Input</strong>
[&quot;Solution&quot;, &quot;randPoint&quot;, &quot;randPoint&quot;, &quot;randPoint&quot;]
[[1.0, 0.0, 0.0], [], [], []]
<strong>Output</strong>
[null, [-0.02493, -0.38077], [0.82314, 0.38945], [0.36572, 0.17248]]

<strong>Explanation</strong>
Solution solution = new Solution(1.0, 0.0, 0.0);
solution.randPoint(); // return [-0.02493, -0.38077]
solution.randPoint(); // return [0.82314, 0.38945]
solution.randPoint(); // return [0.36572, 0.17248]
</pre>

<p>&nbsp;</p>
<p><strong>Constraints:</strong></p>

<ul>
	<li><code>0 &lt;&nbsp;radius &lt;= 10<sup>8</sup></code></li>
	<li><code>-10<sup>7</sup> &lt;= x_center, y_center &lt;= 10<sup>7</sup></code></li>
	<li>At most <code>3 * 10<sup>4</sup></code> calls will be made to <code>randPoint</code>.</li>
</ul>

class Solution:

    def __init__(self, radius: float, x_center: float, y_center: float):
        import random
        self.radius = radius
        self.x_center = x_center
        self.y_center = y_center
        self.random = random

    def randPoint(self) -> List[float]:
        import math
        while True:
            x = self.random.uniform(-self.radius, self.radius)
            y = self.random.uniform(-self.radius, self.radius)
            if x**2 + y**2 <= self.radius**2:
                return [self.x_center + x, self.y_center + y]


# Your Solution object will be instantiated and called as such:
# obj = Solution(radius, x_center, y_center)
# param_1 = obj.randPoint()
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