merge-the-tools.py

def merge_the_tools(string, k):
    block_cnt = len(string)//k
    output_t = []
    output_u = []
    
    #print("{}/{} = {}".format(len(string), k, block_len))
    for ind in range(0, len(string) - k + 1, k):
        output_t.append(string[ind:ind + k])
    
    for block in output_t:
        for char in block:
            char_count = block.count(char)
            if char_count > 1:
                block = block[::-1]
                block = block.replace(char, '', char_count - 1)
                block = block[::-1]
        output_u.append(block)
                
    print("\n".join(map(str, output_u)))