Python: Count most and least common characters in a given string
Python Collections: Exercise-21 with Solution
Write a Python program to count the most and least common characters in a given string.
Sample Solution:
Python Code:
from collections import Counter
def max_least_char(str1):
temp = Counter(str1)
max_char = max(temp, key = temp.get)
min_char = min(temp, key = temp.get)
return (max_char, min_char)
str1 = "hello world"
print ("Original string: ")
print(str1)
result = max_least_char(str1)
print("\nMost common character of the said string:",result[0])
print("Least common character of the said string:",result[1])
Sample Output:
Original string: hello world Most common character of the said string: l Least common character of the said string: h
Flowchart:

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Python: Tips of the Day
Maps the values of a list to a dictionary using a function, where the key-value pairs consist of the original value as the key and the result of the function as the value:
Example:
def tips_map_dictionary(itr, fn): ret = {} for a in itr: ret[a] = fn(a) return ret print(tips_map_dictionary([2,4,6], lambda a: a * a))
Output:
{2: 4, 4: 16, 6: 36}
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