# your code goes here
import difflib
string1="HI"
string2="hi"
sequence_matcher = difflib.SequenceMatcher(None, string1.lower(), string2.lower())
match=list(sequence_matcher.get_matching_blocks())
print(match)
IyB5b3VyIGNvZGUgZ29lcyBoZXJlCmltcG9ydCBkaWZmbGliCnN0cmluZzE9IkhJIgpzdHJpbmcyPSJoaSIKc2VxdWVuY2VfbWF0Y2hlciA9IGRpZmZsaWIuU2VxdWVuY2VNYXRjaGVyKE5vbmUsIHN0cmluZzEubG93ZXIoKSwgc3RyaW5nMi5sb3dlcigpKQptYXRjaD1saXN0KHNlcXVlbmNlX21hdGNoZXIuZ2V0X21hdGNoaW5nX2Jsb2NrcygpKQpwcmludChtYXRjaCk=