Write and test a Python script that reads in a floating-point radius of a circle and outputs the circumference and area of the circle. Write and test a Python script that reads in a character string...

Write and test a Python script that reads in a floating-point radius of a circle and outputs the circumference and area of the circle. Write and test a Python script that reads in a character string and an integer and outputs the character string repeated the number of times given by the integer.