<jupyter_start><jupyter_text>Simple Python exercises **1**. Make a list of the numbers 1 to 10. **2**. Make a list of the first 10 square numbers. **3**. Make a list of the first 10 square numbers in reversed order. **4**. Repeat 3 but only keep the square numbers divisible by 4. **5**. A Pythagoran triple is a tuple of 3 positive integers (a, b, c) such that $a^2 + b^2 =c ^2$. Find the unique Pythagorean triples where c is less than 20.<jupyter_code>dna = """
TTTAAATTCCCTGGCACCCGCTGGAGTTCTCGATTTCGAC
CAACCACGACGGTGTGATTCTGAATGTAGTTAGTATCTAC
CCAGAGCTCAGGTCATATCGCGCCAAGCATAAAGGTGGCT
GTTGAAAGTCGATGTCCGTATAAGTTCCGTTTCCTAATGA
"""<jupyter_output><empty_output>
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