Step-by-step solution for Off Line Minimum
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This challenge requires you to loop through the input array of strings, and upon encountering the character E remove the current smallest number and store it in a list. For example, if the array is ["1","2","E","4","3","E"], your program will return the numbers 1, 2, and 3 in a string because they are the smallest numbers every time an E is reached.

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