Question

How to merge two strings by letters erasing duplicates in Python

Answer 1

str1 = "python java c python c++ java java"
str2 = "python c++ c# javascript java c c php"

merge_str = ' '.join(set(str1 + str2))

print(merge_str)



 
'''
run:
 
o   h # i s n y p r c a t + v j

'''

 

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Answer 2

str1 = "python java c python c++ java java"
str2 = "python c++ c# javascript java c c php"

merge_str = ' '.join(sorted(set(str1 + str2)))

print(merge_str)



 
'''
run:
 
  # + a c h i j n o p r s t v y

'''

 

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Answer 3

str1 = "python java c python c++ java java"
str2 = "python c++ c# javascript java c c php"

merge_str = ' '.join(sorted(set(str1).union(str2)))

print(merge_str)



 
'''
run:
 
  # + a c h i j n o p r s t v y

'''

 

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