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util.py
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util.py
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def query_yes_no(question, default=None):
"""Ask a yes/no question via raw_input() and return their answer.
"question" is a string that is presented to the user.
"default" is the presumed answer if the user just hits <Enter>.
It must be "yes" (the default), "no" or None (meaning
an answer is required of the user).
The "answer" return value is True for "yes" or False for "no".
"""
valid = {"yes": True, "y": True, "ye": True, "no": False, "n": False}
if default is None:
prompt = " [y/n] "
elif default == "yes":
prompt = " [Y/n] "
elif default == "no":
prompt = " [y/N] "
else:
raise ValueError("invalid default answer: '%s'" % default)
while True:
print(question + prompt)
choice = input().lower()
if default is not None and choice == '':
return valid[default]
elif choice in valid:
return valid[choice]
else:
print("Please respond with 'yes' or 'no' (or 'y' or 'n')")
def entry_to_string(entry):
string = f" Name: {entry['first_name']} {entry['last_name']}\n" \
f" Address: {entry['address']}\n"
if len(entry['address_2']) > 0:
string += f" {entry['address_2']}\n"
return string + f" Postal code: {entry['postal_code']}\n" \
f" City: {entry['city']}"