Merge Strings Alternately | Python Interview Questions | Data Engineer Interview Questions | FAANG
Video 225: In this video, we are going to merge two strings alternately
You are given two strings word1 and word2. We are asked to merge the strings by adding letters in alternating order, starting with word1. If a string is longer than the other, append the additional letters onto the end of the merged string.
In this video, we explore four different approaches to merge two strings alternately in Python.
** Approach 1: Basic FOR loop **
In the first approach, we use a basic for loop to iterate through the minimum length of the two input strings. We append characters from each string alternately to the result string. After processing the minimum length, if there are any remaining characters in the longer string, we append them to the end of the result string.
** Approach 2: Simplify the code **
In the second approach, we simplify the code by iterating through the maximum length of the two input strings using a for loop. We check if the index is within the length of each string before appending characters to the result string. This eliminates the need for calculating the minimum length.
** Approach 3: Using a WHILE loop **
The third approach demonstrates how we can achieve the same result using a while loop. We initialize an index variable and iterate until the index reaches the maximum length of the input strings. Similar to the previous approaches, we append characters from each string alternately to the result string.
** Approach 4: Simplify the WHILE loop **
In the final approach, we further simplify the while loop by combining the condition for appending characters from both strings. We iterate until the index is less than the length of both input strings. This approach streamlines the code while achieving the same result.
For a comprehensive understanding and practical demonstration, be sure to watch the entire video. Happy coding!
code: https://github.com/jeganpillai/python...
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