sum_67¶

Return the sum of the numbers in the list, except ignore sections of numbers starting with a 6 and extending to the next 7 (every 6 will be followed by at least one 7). Return 0 for no numbers.

This exercise was taken from codingbat.com and has been adapted for the Python language. There are many great programming exercises there, but the majority are created for Java.

Test 1¶

Input:

[1, 2, 2]

Output:

Test 2¶

Input:

[1, 2, 2, 6, 99, 99, 7]

Output:

Test 3¶

Input:

[1, 1, 6, 7, 2]

Output:

Test 4¶

Input:

[1, 6, 2, 2, 7, 1, 6, 99, 99, 7]

Output:

Test 5¶

Input:

[1, 6, 2, 6, 2, 7, 1, 6, 99, 99, 7]

Output:

Test 6¶

Input:

[2, 7, 6, 2, 6, 7, 2, 7]

Output:

Test 7¶

Input:

[2, 7, 6, 2, 6, 2, 7]

Output:

Test 8¶

Input:

[1, 6, 7, 7]

Output:

Test 9¶

Input:

[6, 7, 1, 6, 7, 7]

Output:

Test 10¶

Input:

[6, 8, 1, 6, 7]

Output:

Test 11¶

Input:

[]

Output:

Test 12¶

Input:

[6, 7, 11]

Output:

Test 13¶

Input:

[11, 6, 7, 11]

Output:

Test 14¶

Input:

[2, 2, 6, 7, 7]

Output: