Interconversion of data is very popular nowdays and has many applications. In this scenario, we can have a problem in which we need to convert a list of lists, i.e matrix into list of strings. Let’s discuss certain ways in which this task can be performed.
Method #1 : Using list comprehension + join()
The combination of above functionalities can be used to perform this task. In this, we perform the task of iteration using list comprehension and join() is used to perform task of joining string to list of strings.
# Python3 code to demonstrate working of # Convert List of lists to list of Strings # using list comprehension + join() # initialize list test_list = [["g", "f", "g"], ["i", "s"], ["b", "e", "s", "t"]] # printing original list print("The original list : " + str(test_list)) # Convert List of lists to list of Strings # using list comprehension + join() res = [''.join(ele) for ele in test_list] # printing result print("The String of list is : " + str(res))
Output :
The original list : [['g', 'f', 'g'], ['i', 's'], ['b', 'e', 's', 't']] The String of list is : ['gfg', 'is', 'best']
Method #2: Using map() + join()
The task above can also be performed using combination of above methods. In this, we perform the task of conversion using join and iteration using map().
# Python3 code to demonstrate working of # Convert List of lists to list of Strings # using map() + join() # initialize list test_list = [["g", "f", "g"], ["i", "s"], ["b", "e", "s", "t"]] # printing original list print("The original list : " + str(test_list)) # Convert List of lists to list of Strings # using map() + join() res = list(map(''.join, test_list)) # printing result print("The String of list is : " + str(res))
Output :
The original list : [['g', 'f', 'g'], ['i', 's'], ['b', 'e', 's', 't']] The String of list is : ['gfg', 'is', 'best']
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