python code

4. Using only the material seen so far, write a function which returns the ab your function "5.0" it should return 5.0, if you give your function "-18.0" i or built-in Python functions. Note: this one is a bit tricky, but give it a s 4. Using only the material seen so far, write a function which returns the absolute value of a float. For example, if you give your function "5.0" it should return 5.0, if you give your function "-18.0" it should return 18.0. Do not 1190 "if statements or built-in Python functions. Note: this one is a bit tricky, but give it a shot! S. There are the variables a, b, and c. Write code to rotate/suin the variables so that a's value is stored in , W's value is stored in c, and c's value is stored in a. An example on the Python shell)