<question_bank> <question> <summary> Factorial </summary> <description> Write a function called "fact" which takes a single integer argument (say "n") and returns the factorial of the number. For example fact(3) -> 6 </description> <points>2</points> <type>python</type> <test> assert fact(0) == 1 assert fact(5) == 120 </test> <options> </options> </question> <question> <summary> Simple function </summary> <description> Create a simple function called "sqr" which takes a single argument and returns the square of the argument For example sqr(3) -> 9. </description> <points>1</points> <type>python</type> <test> import math assert sqr(3) == 9 assert abs(sqr(math.sqrt(2)) - 2.0) < 1e-14 </test> <options> </options> </question> </question_bank>