[Tutor] Syntax Question

[Orion72738 at cs.com]

I am very new to programming, and i am trying to make this program convert 
Fahrenheit to celsius and vice-versa. When I try to run it, I get syntax errors. 
Please help! Thank you! (what i have is below)
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Input the temperature in degrees Fahrenheit (call it Fahrenheit)
Calculate Celsius as (5/9)celsius + 32
Output Fahrenheit
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#convert.py
#   A program to convert Fahrenheit temperatures to Celsius
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def main():
    Fahrenheit = input("What is the Fahrenheit Temperature?")
    Celsius = (5.0 / 9.0) * Fahrenheit - 32
    print "The Temperature is", Celsius, "degrees Celsius."

main()