# Pavan Kumpatla # December 28, 2021. # I learned about docstrings and how to access and create them. # I had no difficulties

def C2F(degrees_celsius): # creates new function with parameter """ Convert Celsius to Fahrenheit""" # docstring return degrees_celsius * (9/5) + 32 # returns print("Accessing docstrings using __doc__:\n") # prints print(C2F.__doc__) # prints docstring

def C2F(degrees_celsius): # creates new function with parameter """ Convert Celsius to Fahrenheit""" # docstring return degrees_celsius * (9/5) + 32 # returns print("Accessing docstrings using help:\n") # prints help(C2F) # asks for help with C2F

def kg2lb(kilograms): # creates new function with parameter """ Convert kilograms to pounds args: kilograms: weight in kg returns: pounds: weight in lb """ # docstring pounds = kilograms * 2.20462262185 # multiplies, stores return pounds # returns print("Accessing docstrings using __doc__:\n") # prints print(kg2lb.__doc__) # prints docstring

def kg2lb(kilograms): # creates new function with parameter """ Convert kilograms to pounds args: kilograms: weight in kg returns: pounds: weight in lb """ # docstring pounds = kilograms * 2.20462262185 # multiplies return pounds # returns print("Accessing docstrings using help:\n") # prints help(kg2lb) # asks for help for kg2lb

# [ ] The following function generates a single die roll # Document the function using a one-line docstring from random import randint # import random integer from random def die_roller (): """ Returns random integer between 1-6 """ return (randint(1, 6)) print(die_roller.__doc__) # prints

# [ ] The following function computes the area of a circle # Document the function using a one-line docstring from math import pi # import pi from math def circle_area(r): """ Returns the area of circle """ return pi * (r ** 2) # returns print(circle_area.__doc__) # prints docstring

# [ ] The following program counts the number of times the value in `a` appears in `lst` # Document the function using a multi-line docstring def count_occurrences(a, lst): # creates new function with 2 parameters """ Counts the number of times the value in `a` appears in `lst` args: lst = list a = value returns: count (the number of times a is in lst) """ count = 0 # stores for element in lst: # for element in lst if a == element: # if a is equal to element count = count + 1 # add 1 to count return count print(count_occurrences.__doc__) # prints docstring

# [ ] The following program prints out the date `d` number of days after today # Document the function using a multi-line docstring from datetime import date, timedelta # imports def future_date(d): """ Prints out the date `d` number of days after today args: d = stores int value to calculate days after today returns: count (the number of times a is in lst) """ today = date.today() # stores today's date td = timedelta(days = d) # converts to timedelta object, stores future = today + td # adds, stores print("Date {:d} from today is: {:s}".format(d, future.strftime("%a %h %d, %Y"))) # prints, formats # Date 10 days from today future_date(10) # calls function print(future_date.__doc__) # prints docstring