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First solution in Uncategorized category for Common Words by kamilk
def checkio(first, second):
arr1 = first.split(',')
arr2 = second.split(',')
w = []
for c in arr1:
if c in arr2:
w.append(c)
w.sort()
return ','.join(w)
#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. 19, 2015