Python Frequency/wavelength converter

wavelengths0.7.py

print "This script can convert wavelengths to frequencies or vice versa."
sol = 299792458.00 #this is the speed of light in m/s
#ol = 300000000.00 #this is the speed of light in m/s

def wavelength():
    print "Ok, Please enter your wavelength in Metres. (do not use scientific notation)"
    wavelength = float(raw_input ())
    answerfreq = sol / wavelength
    print "the frequency is %rhz" % answerfreq
    if wavelength >=1000:
        print "Theoretically long Radio wave"
    if wavelength <= 1000 and wavelength >= 0.01:
        print "Radio Wave"
    elif wavelength <= 0.01 and wavelength >= 0.00001:
        print "Microwave"
    elif wavelength <= 0.00001 and wavelength >= 0.0000005:
        print "Infra Red"
    elif wavelength <= 0.0000005 and wavelength >= 0.00000001:
        print "Visible Light"
    elif wavelength <= 0.00000001 and wavelength >= 0.0000000001:
        print "Ultra Violet"
    elif wavelength <= 0.0000000001 and wavelength >= 0.000000000001:
        print "X-Rays"
    elif wavelength <= 0.000000000001:
        print "Gamma Rays"
    else:
        print "Not within a range generally observed"

def frequency():
    print "Ok, Please enter your frequency in Hz. (do not use scientific notation)"
    frequency = float(raw_input ())
    answerlamda = sol / frequency
    print "the wavelength is %rm " % answerlamda
    if answerlamda >=1000:
        print "Theoretically long Radio wave"
    if answerlamda <= 1000 and answerlamda >= 0.01:
        print "Radio Wave"
    elif answerlamda <= 0.01 and answerlamda >= 0.00001:
        print "Microwave"
    elif answerlamda <= 0.00001 and answerlamda >= 0.0000005:
        print "Infra Red"
    elif answerlamda <= 0.0000005 and answerlamda >= 0.00000001:
        print "Visible Light"
    elif answerlamda <= 0.00000001 and answerlamda >= 0.0000000001:
        print "Ultra Violet"
    elif answerlamda <= 0.0000000001 and answerlamda >= 0.000000000001:
        print "X-Rays"
    elif answerlamda <= 0.000000000001:
        print "Gamma Rays"
    else:
        print "Not within a range generally observed"



#def frequency():
#    print "Ok, Please enter your frequency in Hz. (do not use scientific notation)"
#    frequency = float(raw_input ())
#    answerlamda = sol / frequency
#    print "the wavelength is %rm " % answerlamda
#    if answerlamda >= 1000:
#        print "Radio Wave"
#    elif answerlamda in range (0.01, 0.00001):
#        print "Microwave"
#    elif answerlamda in range (0.00001, 0.0000005):
#        print "Infra Red"
#    elif answerlamda in range (0.0000005, 0.00000001):
#        print "Visible Light"
#    elif answerlamda in range (0.00000001, 0.0000000001):
#        print "Ultra Violet"
#    elif answerlamda in range (0.0000000001, 0.000000000001):
#        print "X-Rays"
#    elif answerlamda <= 0.000000000001:
#        print "Gamma Rays"
#    else:
#        print "not an existing band"


choice_options = {
    1: wavelength,
    2: frequency,
}

choice = 0
while choice not in choice_options:
    print "do you have (1) a wavelength, or (2) a frequency?"
    choice = int(raw_input()) 


choice_options[choice]()

#next need to do defs
#you should bind the band calcs to a def, if answerlamda == lamdaband try i the def "if band == range print microwave
# you can ask what unit they want to use and you should be able to change the value for SOL to create the appropriate output