🐍 Python problems

#701 Pattern: Square (*) 🔒 #702 Pattern: Square (#) 🔒 #703 Pattern: Triangle (*) 🔒 #704 Pattern: Triangle (#) 🔒 #705 Pattern: Upside-down triangle 🔒 #706 Pattern: Pyramid (*) 🔒 #707 Pattern: Pyramid (#) 🔒 #708 Pattern: Pyramid (o) 🔒 #709 Pattern: Pyramid (+) 🔒 #710 Pattern: Pyramid (^) 🔒 #711 Pattern: Hollow square (*) 🔒 #712 Pattern: Hollow square (#) 🔒 #713 Pattern: Number triangle 1, 12, 123 🔒 #714 Pattern: Number triangle 1, 22, 333 🔒 #715 Pattern: Floyd's triangle 🔒 #716 Pattern: Diamond 🔒 #717 Pattern: Chessboard 🔒 #718 Pattern: X pattern 🔒 #719 Pattern: Hollow triangle 🔒 #720 Pattern: Right-aligned triangle 🔒 #721 Pattern: Letter triangle 🔒 #722 Pattern: Number square 🔒 #723 Pattern: Symmetric number pyramid 🔒 #724 Pattern: Decreasing number triangle 🔒 #725 Pattern: 0-1 triangle 🔒 #726 Pattern: Hourglass 🔒 #727 Pattern: Letter square 🔒 #728 Pattern: Pascal's triangle 🔒 #729 Multiplication table n×n 🔒 #730 Multiplication table a×b 🔒 #731 Multiplication table 1-5 🔒 #732 Matrix: Sum of all elements 🔒 #733 Matrix: Sum of each row 🔒 #734 Matrix: Sum of each column 🔒 #735 Matrix: Sum of the main diagonal 🔒 #736 Matrix: Sum of the other diagonal 🔒 #737 Matrix: Transposed matrix 🔒 #738 Matrix: Largest value of each row 🔒 #739 Matrix: Smallest value of each column 🔒 #740 Matrix: Is it symmetric? (`Yes`/`No`) 🔒 #741 Matrix: Rotate 90° clockwise 🔒 #742 Matrix: Position of the largest element (row column, from 1) 🔒 #743 Matrix: Sum of the border elements 🔒 #744 Matrix: Number of zeros 🔒 #745 Matrix: Number of the row with the largest sum (from 1, the first one) 🔒 #746 Matrix: Number of the column with the smallest sum (from 1, the first one) 🔒 #747 Matrix: Set the main diagonal to 0 🔒 #748 Matrix: Sum of the upper triangle (with the diagonal) 🔒 #749 Matrix: Sum of the lower triangle (with the diagonal) 🔒 #750 Matrix: elements greater than 0 🔒 #751 Multiply a matrix by 2 🔒 #752 Rows with a sum greater than 0 🔒 #753 Sum of two matrices 🔒 #754 Largest of two matrices, element by element 🔒 #755 Pairs with sum k 🔒 #756 Pairs with a sum divisible by 2 🔒 #757 Pairs with difference d 🔒 #758 Triples with sum 0 🔒 #759 Pairs with product k 🔒 #760 The two closest numbers 🔒 #761 Number of inversions 🔒 #762 Two dice: sum s 🔒 #763 Three dice: sum s 🔒 #764 Two 4-sided dice 🔒 #765 Primes up to n 🔒 #766 Pythagorean triples 🔒 #767 Twin primes 🔒 #768 Coins: 1, 2, 5 🔒 #769 Count the positive solutions of a + b + c = n 🔒 #770 Knight moves 🔒 #771 Squares on a board 🔒 #772 Rectangles on a board 🔒 #773 Bubble sort (every step) 🔒 #774 Swaps in selection sort 🔒 #775 Multiplication table 1-6 🔒 #776 Matrix: elements greater than 5 🔒 #777 Multiply a matrix by 3 🔒 #778 Rows with a sum greater than 10 🔒 #779 Pairs with a sum divisible by 3 🔒 #780 Two 8-sided dice 🔒 #781 Coins: 1, 5, 10 🔒 #782 Count the positive pairs with a · b = n (the order matters) 🔒 #783 Multiplication table 1-7 🔒 #784 Matrix: elements greater than 10 🔒 #785 Multiply a matrix by 4 🔒 #786 Rows with a sum greater than 20 🔒 #787 Pairs with a sum divisible by 4 🔒 #788 Two 10-sided dice 🔒 #789 Coins: 2, 3, 5 🔒 #790 Count the non-negative pairs with x² + y² = n 🔒 #791 Multiplication table 1-8 🔒 #792 Multiply a matrix by 5 🔒 #793 Pairs with a sum divisible by 5 🔒 #794 Two 12-sided dice 🔒 #795 Coins: 1, 3, 4 🔒 #796 Count the whole-number points inside a circle (x² + y² ≤ r²) 🔒 #797 Multiplication table 1-9 🔒 #798 Pairs with a sum divisible by 6 🔒 #799 Two 20-sided dice 🔒 #800 Coins: 5, 10, 20 🔒