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

5 votes164 views6 answers
Plt.xticks
Python
6 votes143 views3 answers
Python timestamp
Python
31 votes176 views6 answers
How to remove whitespace from string in python
Python
1 vote182 views4 answers
Numpy count occurrences in array
Python
2 votes157 views2 answers
Which is best between c and python for making application
Python
0 vote165 views1 answer
Numpy remove rows containing nan
Python
0 vote176 views1 answer
Mechanize python #2
Python
0 vote201 views1 answer
Qtile: latest development version
Python
0 vote178 views1 answer
Django created at field
Python Django
0 vote165 views3 answers
Waitress
Python