coneven.py

# Dynamic-programing
stre = "aaabbbccbbdccde"
# stre = "dde"

b = list(stre)
n = list(stre)

def ret(data,temp):
    i = j = count = 0
    while i <= len(temp):

        k = i
        print(data[j]+"     "+temp[i]+"      "+str(j)+"     "+str(i))

        if data[j] == temp[i]:
            count+=1
            print("Count="+str(count))
            i+=1

        else:
            print("Inside Else")

            if count%2 == 0:
                print("Inside if even")
                print(data)
                del data[j:j+count]
                if(data[j] == data[j-1]):
                    j = data.index(temp[j])

                if(len(data)==1):
                    return data
                    break
                count = 0
                j = data.index(temp[i])
                i = k
            else:
                print("Inside if odd")
                i = k
                j = data.index(temp[i])
                print("Printing i j")
                print(i)
                print(j)
                count = 0

    return data


print(ret(b,n))