TempConversion.py

def convertToFK(t):
    F = t * (9/5.0) + 32
    K = t+273.15
    print "Other Systems: %.2f F %.2f K" % (F,K)

def convertToCK(t):
    C = (5/9.0) * (t-32)
    K = C+273.15
    print "Other Systems: %.2f C %.2f K" % (C,K)

def convertToCF(t):
    C = t-273.15
    F = C * (9/5.0) + 32
    print "Other Systems: %.2f C %.2f F" % (C,F)

for i in range(3):
    user_input = raw_input("Temp: ")
    temp = int(user_input[:-2])
    system = user_input[-1:]
    if system=="C" or system=="c":
        convertToFK(temp)
    elif system=="F" or system=="f":
        convertToCK(temp)
    elif system=="K" or system=="k":
        convertToCF(temp)
    else:
        print "Must be C, F or K"