PythonDotLand

class Person {
  String name;
  int age;
 
  Person(this.name, this.age);
  
  void lieAboutMyAge() {
    print("My name is $name, my age is ${age - 10}");
  }
  

PythonDotLand

import os
try:
    working_dir = os.getcdw()
    print(working_dir)
except:
    print('error')

PythonDotLand

from time import sleep
while True:
    try:
        print("Try and stop me")
        sleep(1)
    except Exception:
        print("Ok I'll stop!")

PythonDotLand

from time import sleep

while True:
    try:
        print("Try and stop me")
        sleep(1)
    except:
        print("Don't.. stop.. me now!")

PythonDotLand

try:
    ...
except:
    pass

PythonDotLand

>>> class Card:
...     __slots__ = 'rank', 'suite'
...     def __init__(self, rank, suite):
...             self.rank = rank
...             self.suite = suite
... 
>>> qh = Card('queen', 'hearts')

PythonDotLand

>>> # Calculate all profucs of an input
>>> list(itertools.product('abc', repeat=2))
[('a', 'a'), ('a', 'b'), ('a', 'c'), 
 ('b', 'a'), ('b', 'b'), ('b', 'c'), 
 ('c', 'a'), ('c', 'b'), ('c', 'c')]
 
>>> # Calculate all permutations
>>> list(itertools.permutations('abc'))
[('a', 'b', 'c'), ('a', 'c', 'b'), ('b', 'a', 'c'), 
 ('b', 'c', 'a'), ('c', 'a', 'b'), ('c', 'b', 'a')]

PythonDotLand

[
 {'name': 'Ed',   'age': 24},
 {'name': 'Jane', 'age': 34},
 {'name': 'Janet','age': 34},
 {'name': 'John', 'age': 32},
 {'name': 'John', 'age': 64},
 {'name': 'John', 'age': 99},
 {'name': 'Sara', 'age': 64}
]

PythonDotLand

import operator

people.sort(key=operator.itemgetter('age'))
people.sort(key=operator.itemgetter('name'))

PythonDotLand

people = [
{ 'name': 'John', "age": 64 },
{ 'name': 'Janet', "age": 34 },
{ 'name': 'Ed', "age": 24 },
{ 'name': 'Sara', "age": 64 },
{ 'name': 'John', "age": 32 },
{ 'name': 'Jane', "age": 34 },
{ 'name': 'John', "age": 99 },
]