New antipattern that I've found very useful and vastly improves readability.
person = {'first':'Tobin', 'last': 'Brown', 'age':20}
print('{0} {1} is {2} years old'.format(person['first'], person['last'], person['age'])) # bad
print('{first} {last} is {age} years old'.format(**person)) # good
New antipattern that I've found very useful and vastly improves readability.