stringFormatting.py源代码分析

haoshuang3394

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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