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First solution in Clear category for Common Words by sts10131
def checkio(first, second):
first=first.split(',')
second=second.split(',')
third=[]
for x in first:
for y in second:
if x==y: third.append(x)
third.sort()
third=','.join(third)
return third
#These "asserts" using only for self-checking and not necessary for auto-testing
if __name__ == '__main__':
assert checkio("hello,world", "hello,earth") == "hello", "Hello"
assert checkio("one,two,three", "four,five,six") == "", "Too different"
assert checkio("one,two,three", "four,five,one,two,six,three") == "one,three,two", "1 2 3"
Dec. 28, 2016
