>>> int(0.2) +0.0 floor(0.2) +0.0 round(0.2) +0.0 -------------------- int(0.7) +0.0 floor(0.7) +0.0 round(0.7) +1.0
python int() round() floor()函数的比较
原文：http://www.cnblogs.com/heitaoq/p/7799475.html
