#sqroot.py
#Compute the square root of a postive value entered by the 
#user. The extracted value is examined to make sure it is 
#positive. If not, the absolute value is first computed.

import math

# Extract a value from the user.
value = int( raw_input( "Enter a value: " ) )

# Determine if it's negative. If so, make it positive.
if value < 0 :
   print "The value is negative. Converting to positive."
   value = abs( value )

# Compute the square root of the number.
sqroot = math.sqrt( value )

# Print the results.
print "The square root of ", value, " is ", sqroot