Question: 
Write a function to sort a list of tuples using lambda.


Model's Code:
def subject_marks(marks):
    return sorted(marks, key=lambda x: x[1])



Sample Correct Code:
def subject_marks(subjectmarks):
#subject_marks = [('English', 88), ('Science', 90), ('Maths', 97), ('Social sciences', 82)])
 subjectmarks.sort(key = lambda x: x[1])
 return subjectmarks


Asserts:
assert subject_marks([('English', 88), ('Science', 90), ('Maths', 97), ('Social sciences', 82)])==[('Social sciences', 82), ('English', 88), ('Science', 90), ('Maths', 97)]
assert subject_marks([('Telugu',49),('Hindhi',54),('Social',33)])==([('Social',33),('Telugu',49),('Hindhi',54)])
assert subject_marks([('Physics',96),('Chemistry',97),('Biology',45)])==([('Biology',45),('Physics',96),('Chemistry',97)])


Tests:
Test 1 of 3: PASS
Test 2 of 3: PASS
Test 3 of 3: PASS

Test 64 of 974: 49/64 (76.5625%): success