Python学习【第7篇】：字符串拼接

1.格式化字符有%s,%d，%f浮点数

%s代表格式化字符串，s是string意思

msg = ‘my name is %s‘%"xiaoxing"print(msg)运行结果：my name is xiaoxing

%d代表整型数据int

msg = ‘my name is %s,age:%d‘%("xiaoxing",22)print(msg)运行结果：my name is xiaoxing,age:22

%f 代表浮点数

tp_1 = "年利率为%f"%23.123456789print(tp_1)运行结果：年利率为23.123457默认进行四舍五入，保留六位小数

tp_1 = "年利率为%.2f"%23.123456789print(tp_1)运行结果：年利率为23.12可以通过.2进行控制四舍五入后保留的小数位

Format字符串http://www.cnblogs.com/wupeiqi/articles/5484747.html

原文地址：https://www.cnblogs.com/star520/p/9093084.html