Нужно заменить повторяющиеся символы в списке

import random
 
print('  WELCOME')
print("  PLEASE ENTER YOUR NAME:")
hero = input()
myList = list()
with open('boots.txt', 'r') as f:
    for line in f:
        for myWord in line.split():
            myList.append(myWord)
Boots = random.choice(myList)
 
myList1 = list()
with open('items.txt', 'r') as q:
    for line in q:
        for myWord in line.split():
            myList1.append(myWord)
Item1 = random.choice(myList1)
 
myList2 = list()
with open('items.txt', 'r') as w:
    for line in w:
        for myWord in line.split():
            myList2.append(myWord)
Item2 = random.choice(myList2)
 
myList3 = list()
with open('items.txt', 'r') as e:
    for line in e:
        for myWord in line.split():
            myList3.append(myWord)
Item3 = random.choice(myList3)
 
myList4 = list()
with open('items.txt', 'r') as a:
    for line in a:
        for myWord in line.split():
            myList4.append(myWord)
Item4 = random.choice(myList4)
 
myList5 = list()
with open('items.txt', 'r') as z:
    for line in z:
        for myWord in line.split():
            myList5.append(myWord)
Item5 = random.choice(myList5)
 
print ('|', Boots, '|', Item1, '|', Item2, '|', Item3, '|', Item4, '|', Item5, '|')
 
 
myList6 = list()
with open('skill.txt', 'r') as x:
    for line in x:
        for myWord in line.split():
            myList6.append(myWord)
skill1 = random.choice(myList6)
 
myList7 = list()
with open('skill.txt', 'r') as c:
    for line in c:
        for myWord in line.split():
            myList7.append(myWord)
skill2 = random.choice(myList7)
 
myList8 = list()
with open('skill.txt', 'r') as v:
    for line in v:
        for myWord in line.split():
            myList8.append(myWord)
skill3 = random.choice(myList8)
 
myList9 = list()
with open('skill.txt', 'r') as b:
    for line in b:
        for myWord in line.split():
            myList9.append(myWord)
skill4 = random.choice(myList9)
 
myList10 = list()
with open('skill.txt', 'r') as n:
    for line in n:
        for myWord in line.split():
            myList10.append(myWord)
skill5 = random.choice(myList10)
 
myList11 = list()
with open('skill+.txt', 'r') as m:
    for line in m:
        for myWord in line.split():
            myList11.append(myWord)
skill6 = random.choice(myList11)
 
myList12 = list()
with open('skill.txt', 'r') as s:
    for line in s:
        for myWord in line.split():
            myList12.append(myWord)
skill7 = random.choice(myList12)
 
myList13 = list()
with open('skill.txt', 'r') as d:
    for line in d:
        for myWord in line.split():
            myList13.append(myWord)
skill8 = random.choice(myList13)
 
myList14 = list()
with open('skill.txt', 'r') as g:
    for line in g:
        for myWord in line.split():
            myList14.append(myWord)
skill9 = random.choice(myList14)
 
myList15 = list()
with open('skill++.txt', 'r') as h:
    for line in h:
        for myWord in line.split():
            myList15.append(myWord)
skill10 = random.choice(myList15)
 
myList16 = list()
with open('skill.txt', 'r') as j:
    for line in j:
        for myWord in line.split():
            myList16.append(myWord)
skill11 = random.choice(myList16)
 
myList17 = list()
with open('skill+.txt', 'r') as k:
    for line in k:
        for myWord in line.split():
            myList17.append(myWord)
skill12 = random.choice(myList17)
 
myList18 = list()
with open('skill.txt', 'r') as l:
    for line in l:
        for myWord in line.split():
            myList18.append(myWord)
skill13 = random.choice(myList18)
 
myList19 = list()
with open('skill.txt', 'r') as r:
    for line in r:
        for myWord in line.split():
            myList19.append(myWord)
skill14 = random.choice(myList19)
 
myList20 = list()
with open('skill++.txt', 'r') as t:
    for line in t:
        for myWord in line.split():
            myList20.append(myWord)
skill15 = random.choice(myList20)
 
myList21 = list()
with open('skill.txt', 'r') as y:
    for line in y:
        for myWord in line.split():
            myList21.append(myWord)
skill16 = random.choice(myList21)
 
myList22 = list()
with open('skill.txt', 'r') as u:
    for line in u:
        for myWord in line.split():
            myList22.append(myWord)
skill17 = random.choice(myList22)
 
myList23 = list()
with open('skill+.txt', 'r') as i:
    for line in i:
        for myWord in line.split():
            myList23.append(myWord)
skill18 = random.choice(myList23)
 
myList24 = list()
with open('skill.txt', 'r') as o:
    for line in o:
        for myWord in line.split():
            myList24.append(myWord)
skill19 = random.choice(myList24)
 
myList25 = list()
with open('skill++.txt', 'r') as p:
    for line in p:
        for myWord in line.split():
            myList25.append(myWord)
skill20 = random.choice(myList25)
 
myList26 = list()
with open('skill++.txt', 'r') as Z:
    for line in Z:
        for myWord in line.split():
            myList26.append(myWord)
skill25 = random.choice(myList26)
 
 
S = skill1 + skill2 + skill3 + skill4 + skill5 + skill6 + skill7 + skill8 + skill9 + skill10 + skill11 + skill12 + skill13 + skill14 + skill15 + skill16 + skill17 + skill18 + skill19 + skill20 + skill25
symbols = ['Q', 'W', 'E', 'R', '1', '2']
string = S
newstring = ''
count = [0, 0, 0]
for I in list(string):
    if count[symbols.index(I)] == 4:
        count[symbols.index(I)] = 0
        newstring += '+'
        continue
    count[symbols.index(I)] += 1
    newstring += I
print(newstring)
 
print()
input()

string = input()
 
 
for element in set(string):
    while string.count(element) > 4:
        string = string.replace(element, ' ', 4)
        string = string.replace(element, '+', 1)
 
    string = string.replace(' ', element)
 
 
print(string)

import random
 
hero = input('WELCOME\nPLEASE ENTER YOUR NAME:')
 
 
def random_word(file__):
    with open(file__) as file_:
        list_ = file_.read().split()
 
    return random.choice(list_)
 
Boots = random_word('boots.txt')
Items = [random_word('items.txt') for number in range(5)]
Skills = [random_word('skill.txt') for number in range(25)]
Items_ = '|'.join(Items)
 
print(f'|{Boots}|{Items_}|')
 
string = ''.join(Skills)
 
for element in set(string):
    while string.count(element) > 4:
        string = string.replace(element, ' ', 4)
        string = string.replace(element, '+', 1)
 
    string = string.replace(' ', element)
 
 
print(string)
print()
input()