Python Taskbook Level 4.4
Given a list of numbers, leave only those numbers that are divisible by 5.
Given a number, check that this number has only one divisor other than itself and one.
The following dictionary is given:
dct = {
1: {
1: 11,
2: 12,
3: 13,
},
2: {
1: 21,
2: 22,
3: 23,
},
3: {
1: 24,
2: 25,
3: 26,
},
}
Find the sum of the elements of this dictionary.
