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Python: Find the maximum occurring character in a given string

Python String: Exercise-59 with Solution

Write a Python program to find the maximum occurring character in a given string.

Sample Solution:-

Python Code:

def get_max_occuring_char(str1):
  ASCII_SIZE = 256
  ctr = [0] * ASCII_SIZE
  max = -1
  ch = ''
  for i in str1:
    ctr[ord(i)]+=1;
 
  for i in str1:
    if max < ctr[ord(i)]:
      max = ctr[ord(i)]
      ch = i
  return ch

print(get_max_occuring_char("Python: Get file creation and modification date/times"))
print(get_max_occuring_char("abcdefghijkb"))

Sample Output:

t
b

Pictorial Presentation:

Python String: Find the maximum occurring character in a given string.

Flowchart:

Flowchart: Find the maximum occuring character in a given string

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Python: Tips of the Day

Find current directory and file's directory:

To get the full path to the directory a Python file is contained in, write this in that file:

import os 
dir_path = os.path.dirname(os.path.realpath(__file__))

(Note that the incantation above won't work if you've already used os.chdir() to change your current working directory, since the value of the __file__ constant is relative to the current working directory and is not changed by an os.chdir() call.)

To get the current working directory use

import os
cwd = os.getcwd()

Documentation references for the modules, constants and functions used above:

  • The os and os.path modules.
  • The __file__ constant
  • os.path.realpath(path) (returns "the canonical path of the specified filename, eliminating any symbolic links encountered in the path")
  • os.path.dirname(path) (returns "the directory name of pathname path")
  • os.getcwd() (returns "a string representing the current working directory")
  • os.chdir(path) ("change the current working directory to path")

Ref: https://bit.ly/3fy0R6m