# Verimli Yapı
squares = [x**2 for x in range(10)] # Liste tanımlama
square_lut = {x: x**2 for x in range(10)} # Dict tanımlama
​
# Verimsiz (eski) yapı
squares = []
square_lut = {}
for x in range(10):
    squares.append(x**2)
    square_lut[x] = x**2

me_dict_dtypes = {k: type(v) for k, v in me_dict.items()}
print(me_dict_dtypes)
​
# {'name': <class 'str'>, 'age': <class 'int'>, 'height': <class 'float'>, 'weight': <class 'float'>, 'hair': <class 'str'>, 'eyes': <class 'str'>, 'has dog': <class 'bool'>, 'favorite color': <class 'str'>, 'nieces/nephews': <class 'int'>}