using for loop to install conda package

.CondaPkg/env/Lib/site-packages/numpy/doc/__init__.py

@@ -0,0 +1,26 @@
+import os
+
+ref_dir = os.path.join(os.path.dirname(__file__))
+
+__all__ = sorted(f[:-3] for f in os.listdir(ref_dir) if f.endswith('.py') and
+           not f.startswith('__'))
+
+for f in __all__:
+    __import__(__name__ + '.' + f)
+
+del f, ref_dir
+
+__doc__ = """\
+Topical documentation
+=====================
+
+The following topics are available:
+%s
+
+You can view them by
+
+>>> help(np.doc.TOPIC)                                      #doctest: +SKIP
+
+""" % '\n- '.join([''] + __all__)
+
+__all__.extend(['__doc__'])