Sort key python

Python sort list in reverse

#1 Changes list
list.sort(reverse=True)
#2 Returns sorted list
sorted(list, reverse=True)

Sort key python

>>> student_tuples = [
...     ('john', 'A', 15),
...     ('jane', 'B', 12),
...     ('dave', 'B', 10),
... ]
>>> sorted(student_tuples, key=lambda student: student[2])   # sort by age
[('dave', 'B', 10), ('jane', 'B', 12), ('john', 'A', 15)]

Source: docs.python.org

List sort by key python

>>> student_tuples = [
...     ('john', 'A', 15),
...     ('jane', 'B', 12),
...     ('dave', 'B', 10),
... ]
>>> sorted(student_tuples, key=lambda student: student[2])   # sort by age
[('dave', 'B', 10), ('jane', 'B', 12), ('john', 'A', 15)]

Source: wayhome25.github.io

Sort key python

>>> sorted(student_tuples, key=itemgetter(2))
[('dave', 'B', 10), ('jane', 'B', 12), ('john', 'A', 15)]

Source: docs.python.org

Sort key python

>>> student_objects = [
...     Student('john', 'A', 15),
...     Student('jane', 'B', 12),
...     Student('dave', 'B', 10),
... ]
>>> sorted(student_objects, key=lambda student: student.age)   # sort by age
[('dave', 'B', 10), ('jane', 'B', 12), ('john', 'A', 15)]

Source: docs.python.org

Sort key python

>>> class Student:
...     def __init__(self, name, grade, age):
...         self.name = name
...         self.grade = grade
...         self.age = age
...     def __repr__(self):
...         return repr((self.name, self.grade, self.age))

Source: docs.python.org

Similar codes

1 vote155 views1 answer
Delete and start fresh with db django
Python Django
0 vote104 views1 answer
Pahtlib join path
Python
0 vote110 views1 answer
Finding Maximum Elements along columns using Python numpy.argmax()
Python
2 votes131 views2 answers
Python selenium full screen
Python
1 vote97 views1 answer
How to provide default value when assign i ngvariables python
Python
0 vote102 views3 answers
Short name in python
Python
0 vote103 views1 answer
Pandas concat / merge two dataframe within one dataframe
Python
77 votes100 views6 answers
Random from list python
Python
4 votes136 views2 answers
Python print time difference
Python
4 votes97 views3 answers
Python os
Python