problem for foo bar google

def answer(list):
    returnList = [] # returnt list is the list i'm compiling to return from the function
    value = ""  # value is the string that i'm using to see if i've got a string of the same value like two that start with Y
    comparingList = ['z'] # comparingList is the list that i'm making to resend into the answer function so it can spit back a array of cappared values
    				#the z is just here for a placeHolder to not trigger the bottom else
    for x in list:
        print(x)
        
        if value == x[0]:
            print("equal so where going to try some inferences")
            
            comparingList.append(x[1:]) #append everthing after the first decible
        else:
            if len(comparingList) != 1:
                #call answer
                #then add the values to the new list
                comparingList = []
            else:
            	value = x[0]
                comparingList[0] = x[1:] #this because if value == x[0] you need the previous value in comparingList
            	returnList.append(x[0])
        	
    print(returnList)
    print(comparingList)

answer(["z", "yx", "yz"])

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