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# file: run.rb
require 'example'
# Call our gcd() function
x = 42
y = 105
g = Example.gcd(x,y)
printf "The gcd of %d and %d is %d\n",x,y,g
# Manipulate the Foo global variable
# Output its current value
print "Foo = ", Example.Foo, "\n"
# Change its value
Example.Foo = 3.1415926
# See if the change took effect
print "Foo = ", Example.Foo, "\n"
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