create a stack trace for this python code for an upvote

#function to separate the class-code from its title description def getClassCode(cs): '''the following split string-function will separate the words as per : and returns the list of words in variable cd ''' cd = cs.split(':') return cd[0] # the first word of the list cd[0] is the class-code #Main program starts here #define our classes class1 = "INST126: Introduction to Programming for Information Science" class2 = "STAT100: Elementary Statistics and Probability" #calling the function by passing the value of class1 string code1 = getClassCode(class1) #calling the function by passing the value of class1 string code2 = getClassCode(class2) #printing the resultant class-codes and the original class-strings print(code1," -> ",class1) print(code2," -> ",class2) #Program ends