1.打印字符串
Python X
>>>print ("His name is %s"%("Aviad"))
His name is Aviad
2.打印整数
Python X
>>>print ("His is %d years old"%(25))
His is 25 years old
3.打印浮点数
Python X
>>>print ("His height is %f m"%(1.83))
His height is 1.830000 m
4.打印浮点数（指定保留小数位数）
Python X
>>>print ("His height is %.2f m"%(1.83))
His height is 1.83 m
5.指定占位符宽度
Python X
>>>print ("Name:%10s Age:%8d Height:%8.2f"%("Aviad",25,1.83))
Name: Aviad Age: 25 Height: 1.83
6.指定占位符宽度（左对齐）
Python X
>>>print ("Name:%-10s Age:%-8d Height:%-8.2f"%("Aviad",25,1.83))
Name:Aviad Age:25 Height:1.83
7.指定占位符（只能用0作占位符？）
Python X
>>>print ("Name:%-10s Age:%08d Height:%08.2f"%("Aviad",25,1.83))
Name:Aviad Age:00000025 Height:00001.83
8.科学计数法
Python X
>>>format(0.0015,'.2e') '1.50e-03'