Python log10 () function

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description

log10 () method returns the base 10 logarithm of x.

grammar

The following is the syntax log10 () method:

import math

math.log10( x )

Note: log10 () are not directly accessible, we need to import math module, invoke the method through static object.

parameter

• x - numeric expression.

return value

Examples

The following shows an example of using log10 () method:

#!/usr/bin/python
import math   # 导入 math 模块

print "math.log10(100.12) : ", math.log10(100.12)
print "math.log10(100.72) : ", math.log10(100.72)
print "math.log10(119L) : ", math.log10(119L)
print "math.log10(math.pi) : ", math.log10(math.pi)

After running the above example output is:

math.log10(100.12) :  2.00052084094
math.log10(100.72) :  2.0031157171
math.log10(119L) :  2.07554696139
math.log10(math.pi) :  0.497149872694

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