Q:

Sort list of dictionaries by values using lambda and sorted() function in Python

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mahmoud2506
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2022-05-23
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Example:

Input: 
students = [
    { "Name" : "Prem", "Age" : 23},
    { "Name" : "Shivang", "Age" : 21 },
    { "Name" : "Shahnail" , "Age" : 19 }
]

Output: Sorting by Age
[{'Name': 'Shahnail', 'Age': 19}, {'Name': 'Shivang', 'Age': 21}, {'Name': 'Prem', 'Age': 23}]
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mahmoud2506
2022-05-23
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Python code to sort list of dictionaries by values using lambda and sorted() function

# Sorting list of dictionaries using
# sorted() with lambda

# List of dictionaries
students = [
    { "Name" : "Prem", "Age" : 23},
    { "Name" : "Shivang", "Age" : 21 },
    { "Name" : "Shahnail" , "Age" : 19 }
]

# Sorting by Age
print ("Sorted list by Age:")
print (sorted(students, key = lambda x: x['Age']))

print()

# sorting by Name and Age both
print ("Sorted list by Name and Age:")
print (sorted(students, key = lambda x: (x['Name'], x['Age'])))

Output:

Sorted list by Age:
[{'Name': 'Shahnail', 'Age': 19}, {'Name': 'Shivang', 'Age': 21}, {'Name': 'Prem', 'Age': 23}]

Sorted list by Name and Age:
[{'Name': 'Prem', 'Age': 23}, {'Name': 'Shahnail', 'Age': 19}, {'Name': 'Shivang', 'Age': 21}]

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