Merge pull request jackzhenguo#20 from CQ375482356/master

jackzhenguo · web-flow · commit ef9751651795 · 2019-12-18T07:53:01.000+08:00
update
diff --git a/md/求三维(二维)坐标点之间距离.md b/md/求三维(二维)坐标点之间距离.md
@@ -0,0 +1,13 @@
+
+
+```python
+#j计算三维坐标中两点之间距离
+import math
+x=(5,6,7)
+y=(8,9,9)
+a=list(map(lambda x: (x[0]-x[1])**2, zip(x, y)))
+print(round(math.sqrt(sum(a)),2))
+```
+
+    4.69
+    
