age_string = str(40)  # using str constructor
loc = 1+0j   # complex literal (complex)

# List literal
names = [name, 'suzy', 'fred']
characters = list('aeiou')  # constructor

# Tuple literal
person = ('fred', 42, '123-432-0943', '123 North Street')
person2 = tuple(['susan', 43, '213-123-0987', '789 West Ave'])

# Dictionary
types = {'name': 'string', 'age': 'int'}
ages = dict(zip(['fred', 'suzy'], [20, 21]))
types2 = dict(name='string', age='int')

# Dictionary
types = {'name': 'string', 'age': 'int'}
ages = dict(zip(['fred', 'suzy'], [20, 21]))
types2 = dict(name='string', age='int')

# Where are the built-in constructors?
print(dir(__builtins__))