100294. Count the Number of Special Characters I on leetcode weekly-contest-394 #leetcode #contest

100294. Count the Number of Special Characters I on leetcode weekly-contest-394 #leetcode #contest #java #python #interveiw #viral

[ManasaDuggempudi]

class Solution:
def numberOfSpecialChars(self, word: str) -> int:
a=list(set(word))
c=0
for i in word:
if(i.upper() in a and i.lower() in a):
c+=1
a.remove(i.lower())
a.remove(i.upper())
return(c)
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