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First solution in Clear category for Common Words by Chramar
def checkio(first, second):
strink=""
firstl = first.split(",")
firstl.sort()
secondl = second.split(",")
secondl.sort()
for i in firstl:
if i in secondl:
strink += i +","
if strink.endswith(","):
strink = strink[:-1]
return strink
#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"
Oct. 20, 2016
