stringFormatting.py源代码分析

integerValue = 4237

print "Integer ", integerValue

print "Decimal integer %d" % integerValue 

print "Hexadecimal integer %x/n" % integerValue

#整形的两种打印格式：%d和%x

 

floatValue = 123456.789

print "Float", floatValue

print "Default float %f" % floatValue

print "Default exponential %e/n" % floatValue

#浮点型有两种打印格式：%f和%e

 

print "Right justify integer (%8d)" % integerValue

print "Left justify integer  (%-8d)/n" % integerValue

#左右调整整数的位置

 

stringValue = "String formatting"

print "Force eight digits in integer %.8d" % integerValue

print "Five digits after decimal in float %.5f" % floatValue

print "Fifteen and five characters allowed in string:"

print "(%.15s) (%.5s)" % ( stringValue, stringValue )

#字符串打印的格式：为%s