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Python: Create a string from two given strings concatenating uncommon characters of the said strings

Python String: Exercise-70 with Solution

Write a Python program to create a string from two given strings concatenating uncommon characters of the said strings.

Sample Solution:-

Python Code:

def uncommon_chars_concat(s1, s2):   
     
     set1 = set(s1) 
     set2 = set(s2) 
  
     common_chars = list(set1 & set2) 
     result = [ch for ch in s1 if ch not in common_chars] + [ch for ch in s2 if ch not in common_chars] 
     return(''.join(result))

s1 = 'abcdpqr'
s2 = 'xyzabcd'
print("Original Substrings:\n",s1+"\n",s2)
print("\nAfter concatenating uncommon characters:")
print(uncommon_chars_concat(s1, s2))

Sample Output:

Original Substrings:
 abcdpqr
 xyzabcd

After concatenating uncommon characters:
pqrxyz

Pictorial Presentation:

Python String:  Create a string from two given strings concatenating uncommon characters of the said strings.

Flowchart:

Flowchart: Create a string from two given strings concatenating uncommon characters of the said strings

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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