# Write a Python program to a Sort Matrix by index-value equality count # Python3 code to demonstrate working of# Sort Matrix by index-value equality count# Using sort() + len() + enumerate()    def get_idx_ele_count(row):      # getting required count    # element and index compared, if equal added    # in list, length computed using len()    return len([ele for idx, ele in enumerate(row) if ele == idx])    # initializing listtest_list = [[3, 1, 2, 5, 4], [0, 1, 2, 3, 4],              [6, 5, 4, 3, 2], [0, 5, 4, 2]]  # printing original listprint("The original list is : " + str(test_list))  # inplace sorting using sort()test_list.sort(key=get_idx_ele_count)  # printing resultprint("Sorted List : " + str(test_list))