1) void sum(int a, int b){ for(int i = a; i<b; i++){ if(i%2==0){ print(i); } } } void main(){ int a = 1; int b = 20; sum(a,b); } 2) num sum(a){ num result = 0; while(a>0){ result = result + (a%10); a = (a/10).toInt(); } return result; } void main(){ int a = 854; print(sum(a)); } 3) num count(a){ num count = 0; while(a>0){ a = (a/10).toInt(); count = count+1; } return count; } void main(){ int a = 854; print(count(a)); } 4) int max(a){ int i, max = 0; while(a>0){ i = a%10; if(i > max){ max = i; } a = (a/10).toInt(); } return max; } void main(){ int a = 584; print(max(a)); } 5) int fib(a){ int fib1 = 1; int fib2 = 1; int fib_sum; int i = 0; while (i < a - 2) { fib_sum = fib1 + fib2; fib1 = fib2; fib2 = fib_sum; i = i + 1; } return fib2; } void main(){ int a = 10; print(fib(a)); } 6) void sum(){ Function operation = (a, b) => a * b; print(operation(4, 5)); } void main(){ sum(); } 7) int max(int a, int b){ int maxx = 0; if(a>b){ maxx = a; } else if(a<b){ maxx = b; } return maxx; } void sum(){ Function operation = (a, b) => max(a,b); print(operation(6, 4)); } void main(){ sum(); }