stringFormatting.py源代码分析

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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