list_dict_comprehension.py

a = [123, 234]
def a1():
    yield 123
    yield 234

b = {"nome": 123, "nome2": "matecki"}

print (b["nome"])
print (b["nome2"])

# Exemplo de list comprehension
a = ["segunda", "terca", "quarta", "quinta", "sexta", "sabado", "domingo"]
b = []
for e in a:
    if len(e) < 6:
        b.append(e)

# b = ["terca", "sexta"]
print ("b = ", str(b))

b = [e for e in a if len(e) < 6]

# Exemplo dict comprehension
c = {}
for e in a:
    c[e] = len(a)

# c = {"segunda": 7, "terca": 5, "quarta": 6, "quinta": 6, "sexta": 5, "sabado": 6, "domingo": 7}
print ("c = ", str(c))

c = {e: len(e) for e in a}
c2 = {e: len(e) for e in a if len(e) < 6}