Scrabble score | Python Fiddle

alphabet=["A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z"]
scrabblescore=[1,3,3,2,1,4,2,4,1,8,5,1,3,1,1,3,10,1,1,1,1,4,4,8,4,10]
SCORE=0

flag=input("Would you like to change the points value of any letter(Y/N):" )
while (flag=="Y"):
        ltc=input ("Which letter do you wish to change the value of: ")
        nv=int(input("Please input the new value of your letter: "))
        match="false"
        count=0

while(match=="false"):
               if (ltc==alphabet[count]):

match="true"
               count=count+1
        scrabblescore[count-1]=nv
        flag = input("Would you like to change thepoints value of any letter (Y/N)")

word=input("Please input your word to score; ")
LEGNTH=len(word)
print(LEGNTH)
for x in range(0,LEGNTH):
      print("letter ",word[x])
      match="false"
      count=0
      while (match=="false"):
              if(word [x]==alphabet[count]):
                  match="true"
                  SCORE=SCORE+scrabblescore[count]
              count=count+1

print("The score for the word" , word," is: " ,SCORE)

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