# %cd command_line # Note: #Above was the original code given by Microsoft. # This will work the first time, but if you re-run these cells # you may encounter errors so we changed it to... # ************** DO NOT MODIFY OR ADD ANYTHING TO THIS CODE SEGMENT *********** # ************** Click Edit> Clear All Outputs *********** # ************** This code segment must be run before attempting any of the tasks or examples in this lesson ******************** # ************** This cell is a reset cell to remove (if they exist) the parent_dir and any children or leaves # It prepares the directories and files necessary to run the examples and complete the tasks. # This cell can be run first then all others cells in this notebook can be run, then this cell can be rerun # This is the reset. It uses the import shutil (or shell utility) which you will learn later in the course import os, shutil # shutil = shell utility has an important method called rmtree() # linux does not have an equivalent command! # Navigate to `library` directory (if not already in it) current_path = os.getcwd() print(current_path) if ("content" in current_path): #JGif ("library" in current_path): nb_path = current_path.split("content")[0] # nb_path = the 1st item in the split list else: nb_path = current_path print("Changing working dir to directory above parent_dir") os.chdir(os.path.join(nb_path,"content")) current_path = os.getcwd() print("Current working directory:", current_path) if (os.path.exists('parent_dir') == True): shutil.rmtree('parent_dir') os.mkdir('parent_dir') os.chdir('parent_dir') os.mkdir('child1_dir') os.chdir('../') current_path = os.getcwd() print("Current working directory:", current_path)# %mkdir command_line %cd command_line !pwd

%%writefile c2f.py def C2F(degrees_celsius): """ Convert Celsius to Fahrenheit""" return degrees_celsius * (9/5) + 32 print("Accessing docstrings using __doc__:\n") print(C2F.__doc__)

%%bash pydoc c2f

%%writefile kg2lb.py def kg2lb(kilograms): """ Convert kilograms to pounds args: kilograms: float weight in kg returns: pounds: float weight in lb """ pounds = kilograms * 2.20462262185 return pounds # the following is needed to make sure that none of the code in the function is run if __name__ == "__main__": pass

%%bash pydoc kg2lb

%%writefile currency_converter.py def USD2EUR(amount): """ Convert amount from US Dollars to Euros. Use 1 USD = 0.831467 EUR args: amount: US dollar amount (float) returns: value: the equivalent of amount in Euros (float) """ return value def EUR2GBP(amount): """ Convert amount from Euros to British Pounds. Use 1 EUR = 0.889358 GBP args: amount: Euros amount (float) returns: value: the equivalent of amount in GBP (float) """ return value def USD2GBP(amount): """ Convert amount from US Dollars to British Pounds. The conversion rate is unknown, you have to use USD2EUR and EUR2GBP args: amount: US dollar amount (float) returns: value: the equivalent of amount in British Pounds (float) """ return value # [] TO DO: Add your code here if __name__ == "__main__": pass

%%bash pydoc currency_converter