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Name:

abs() -- returns the absolute value of its numeric argument

Synopsis:
y=abs(x)

Description:
If the argument of the abs-function is positive (e.g. 2) it is returned unchanged, if the argument is negative (e.g. -1) it is returned as a positive value (e.g. 1).

Example:
print abs(-2),abs(2)
Explanation:

  This example will print 2 2



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