PY
py
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Letters = ['a', 'b','c','d']
list1 = Letters * 4
print(list1)
list1[0] = 'e'
print(list1)
list2 = [Letters] * 4
print(list2)
# This is to be explained
list2[0][0] = 'e'
print (list2)
print(Letters)
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OUTPUT
Run