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List operators

a = ['one', 'two']
b = ['three']

print(a)     # ['one', 'two']

print(a * 2) # ['one', 'two', 'one', 'two']
print(2 * a) # ['one', 'two', 'one', 'two']

print(a + b) # ['one', 'two', 'three']
print(b + a) # ['three', 'one', 'two']