
estudiando python
Authored by Mane Rojas
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31 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de estas estructuras es mutable?
a) Tupla
b) Conjunto
c) String
d) Frozenset
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué método se usa para añadir un elemento a una lista?
a) .add()
b) .append()
c) .insert()
d) .extend()
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la salida de este código?
mi_dict = {"a": 1, "b": 2}
print(mi_dict.get("c", 3))
a) None
b) 3
c) KeyError
d) 0
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué operación elimina duplicados de una lista?
a) list(set(mi_lista))
b) mi_lista.unique()
c) mi_lista.drop_duplicates()
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué hace pd.concat([df1, df2], axis=1)?
a) Apila df2 debajo de df1.
b) Combina df1 y df2 horizontalmente (por columnas).
c) Hace un inner join.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si quieres unir dos DataFrames por una columna común (como un JOIN en SQL), usas:
a) pd.concat()
b) pd.merge()
c) df.join()
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el tipo de join por defecto en pd.merge()?
a) left
b) right
c) inner
d) outer
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