Python log () function

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description

log () method returns the natural logarithm of x.

grammar

The following is the syntax log () method:

import math

math.log( x )

Note: log () is 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 the log () method:

#!/usr/bin/python
import math   # This will import math module

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

After running the above example output is:

math.log(100.12) :  4.60636946656
math.log(100.72) :  4.61234438974
math.log(119L) :  4.77912349311
math.log(math.pi) :  1.14472988585

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