def getSplit(string):
count = 0
block = setOfBlocks(string)
for item in block:
if len(block)!= 0:
count+=1
return count
def isValid(block):
blocks = setOfBlocks(block)
check = False
for item in blocks:
if len(item)>=2:
return True
return check
def reformat(block):
blocks=setOfBlocks(block)
res=[]
for item in blocks:
if len(item) > 0:
res.append(''.join(sorted(item)))
return '|'.join(res)
def getDuplication(string):
dup = set()
block = setOfBlocks(string)
for item in block:
dic = {}
for letter in item:
if letter not in dic:
dic[letter]=1
else:
dup.add(letter)
return dup