Python格式化输出

Posted 2020-08-21

python 格式化输出细节，以备忘

转载自： http://www.cnblogs.com/plwang1990/p/3757549.html

1. 打印字符串

print ("His name is %s" % ("David"))

 

2.打印整数

print ("He is %d years old" % (25))

3.打印浮点数

print ("His height is %f m" % (1.83))

4.打印浮点数（指定保留小数点位数）

print ("His height is %.2f m" % (1.83))

5.指定占位符宽度

print ("Name:%10s Age:%8d Height:%8.2f" % ("David", 25, 1.83))

6.指定占位符宽度（左对齐）

print ("Name:%-10s Age:%-8d Height:%-8.2f" % ("David", 25, 1.83)) 

7.指定占位符（用0当占位符）

print ("Name:%-10s Age:%08d Height:%08.2f" % ("David", 25, 1.83))

8.科学计数法

format(0.0015,‘.2e‘)