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First solution in Uncategorized category for Long Non Repeat by bartosz_lyzwa
def non_repeat(line):
longest_word=''
if len(line)>1:
for i in range(len(line)):
used_letters=[]
for j in range(i,len(line)):
if line[j] in used_letters:
break
else:
used_letters.append(line[j])
if len(used_letters)>len(longest_word):
longest_word=''.join(used_letters)
elif len(line)>0:
longest_word=line[0]
return longest_word
Dec. 12, 2017