PYTHON

count occurrences of a character in a string python

#finds occurances 
def duplicatecharacters(s:str):
    for i in s:
        if s.count(i)>1:
            return True
    return False
print(duplicatecharacters(""))

program count the number of occurrences of a letter in a string python

# count the occurence of element in the string
l=input("enter the string")
d={}
print(l)
for i in l:
 if i not in d:
  d[i]=l.count(i)
 else:
  pass
print("Frequency of each element-")

for k in d:
  print(k,"-",d[k])
output:
'''
enter the string14587324569248
14587324569248
Frequency of each element-
1 - 1
4 - 3
5 - 2
8 - 2
7 - 1
3 - 1
2 - 2
6 - 1
9 - 1
'''

Python - How To Count Occurrences of a Character in a String

print('Mary had a little lamb'.count('a'))

How to check the number of occurence of each character of a given string in python

c = Counter("thiiss wiill caalcullateeee theee numbeeer of characters")

# now when we print c, it will have the following data:

Counter({'e': 11, ' ': 6, 'l': 5, 'a': 5, 't': 4, 'i': 4, 'c': 4, 'h': 3, 's': 3, 'r': 3, 'u': 2, 'w': 1, 'n': 1, 'm': 1, 'b': 1, 'o': 1, 'f': 1})

# And now we can check the occurrence of each of the characters as follows:

count_e = c.get('e') # returns 11