#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