Python list sort ()

List_name.sort()
This will sort the given list in ascending order.

numbers = [8, 5, 7, 9] 
  
# Sorting list of Integers in ascending 
numbers.sort() 
  
print(numbers)

[5, 7, 8, 9]

strs = ["wikitechy", "code", "ide", "practice"] 
  
# Sorting list of Integers in ascending 
strs.sort() 
  
print(strs)

['code', 'ide', 'practice', 'wikitechy']

list_name.sort(reverse=True)
This will sort the given list in descending order

numbers = [8, 5, 7, 9] 
  
# Sorting list of Integers in descending 
numbers.sort(reverse = True) 
  
print(numbers)

[9, 8, 7, 5]

list_name.sort(key=…, reverse=…) – it sorts according to user’s choice

# Python program to demonstrate sorting by user's 
# choice 
  
# function to return the second element of the 
# two elements passed as the parameter 
def sortSecond(val): 
    return val[1]  
  
# list1 to demonstrate the use of sorting  
# using using second key  
list1 = [(1, 2), (3, 3), (1, 1)] 
  
# sorts the array in ascending according to  
# second element 
list1.sort(key = sortSecond)  
print(list1) 
  
# sorts the array in descending according to 
# second element 
list1.sort(key = sortSecond, reverse = True) 
print(list1)

[(1, 1), (1, 2), (3, 3)]
[(3, 3), (1, 2), (1, 1)]