pschanely

def make_bigger(n: int) -> int:
  '''
  post: __return__ != 0
  '''
  return 2 * n + 10

pschanely

import re
from typing import Optional

def parse_year(yearstring: str) -> Optional[int]:
    '''
    Something is wrong with this year parser! Can you guess what it is?
    
    post: __return__ is None or 1000 <= __return__ <= 9999
    '''
    return int(yearstring) if re.match('[1-9][0-9][0-9][0-9]', yearstring) else None

pschanely

import dataclasses
from typing import List

@dataclasses.dataclass
class AverageableQueue:
    '''
    A queue of numbers with a O(1) average() operation.
    inv: self._total == sum(self._values)
    '''
    _values: List[int]

pschanely

def make_bigger(n: int) -> int:
  bigger = 2 * n + 10
  assert bigger != 0
  return bigger

pschanely

def make_bigger(n: int) -> int:
  bigger = 2 * n + 10
  assert bigger != 0
  return 

pschanely

import re
from typing import Optional

def parse_year(yearstring: str) -> Optional[int]:
    '''
    Something is wrong with this year parser! Can you guess what it is?
    '''
    year = int(yearstring) if re.match('[1-9][0-9][0-9][0-9]', yearstring) else None
    assert year is None or 1000 <= year <= 9999
    return year

pschanely

def make_bigger(n: int) -> int:
  '''
  post: __return__ != 0
  '''
  return 2 * n + 10

pschanely

def make_bigger(n: int) -> int:
  '''
  post: __return__ != 0
  '''
  return 2 * n + 10

pschanely

def make_bigger(n: int) -> int:
  '''
  post: __return__ != 0
  '''
  return 2 * n +1

pschanely

import re
from typing import Optional

def parse_year(yearstring: str) -> Optional[int]:
    '''
    Something is wrong with this year parser! Can you guess what it is?
    
    post: __return__ is None or 1000 <= __return__ <= 9999
    '''
    return int(yearstring) if re.match('[1-9][0-9][0-9][0-9]', yearstring) else None