add lots file of APUE

Zim/Programme/python/python笔记/float.txt

@@ -0,0 +1,20 @@
+Content-Type: text/x-zim-wiki
+Wiki-Format: zim 0.4
+Creation-Date: 2012-10-04T13:20:56+08:00
+
+====== float ======
+Created Thursday 04 October 2012
+
+>>> float("0xff")
+Traceback (most recent call last):
+  File "<stdin>", line 1, in <module>
+ValueError: invalid literal for float(): 0xff
+>>> 
+
+>>> __float.fromhex("0xfff")__
+4095.0
+>>> 
+
+>>> float("0.111")
+0.111
+>>>