Download both files at the left and put them in the same directory (smart idea: make a directory for this assignment) Save time by right-clicking on the links and using Save Link As.

You will import the testing apparatus into your code.

Here is my test module

from math import log, e, sin, cos
from run_tests import close_enough, run_test, run_test_float
## you can now use log(x) for the natural log of x.
## You can only use the imported functions that I specify.
def greet(name):
    """prec:  name is a keyword argument with default value "Stranger"
    postc: returns the string Hello, name!"""  
    return "Hello"
def log_base(x, b):
    """prec:  x > 0 and b > 0 is a keyword argument
    postc: use the change-of-base formula to compute 
    the logarithm of x with base b.  The default is that
    the natural log of x is returned."""
    return 0
def truncate(s, n):
    """prec:  s is a string, n is a nonnegative integer
    and a keyword argument.  if len(x) > s return s; otherwise
    truncate at n.  By default, n = 3."""
    return ""
def protean_sin(x, radians):
    """prec: x is a number, radians is a boolean and a
    keyword argument.  
    postc: returns sin(x) using radians if radians is True
    and sin(x) in degrees if radians is false.
    The default is True"""
    return 0
def protean_asin(x, radians):
    """prec: x is a number, -1 <= x <= 1.
    radians is a keyword argument.  
    postc: returns sin(x) using radians if radians is True
    and arcsin(x) in degrees if radians is false.
    The default is True."""
    return 0
def main():

Here is the shell code. It runs out of the box.

from math import log, e, sin, cos
## you can now use log(x) for the natural log of x.
## You can only use the imported functions that I specify.
def greet(name):
    """prec:  name is a keyword argument with default value "Stranger"
    postc: returns the string Hello, name!"""  
    return "Hello"
def log_base(x, b):
    """prec:  x > 0 and b > 0 is a keyword argument
    postc: use the change-of-base formula to compute 
    the logarithm of x with base b.  The default is that
    the natural log of x is returned."""
    return 0
def truncate(s, n):
    """prec:  s is a string, n is a nonnegative integer
    and a keyword argument.  if len(x) > s return s; otherwise
    truncate at n.  By default, n = 3."""
        return ""
def protean_sin(x, radians):
    """prec: x is a number, radians is a boolean and a
    keyword argument.  
    postc: returns sin(x) using radians if radians is True
    and sin(x) in degrees if radians is false.
    The default is True"""
    return 0
def protean_asin(x, radians):
    """prec: x is a number, -1 <= x <= 1.
    radians is a keyword argument.  
    postc: returns sin(x) using radians if radians is True
    and arcsin(x) in degrees if radians is false.
    The default is True."""
    return 0