two_char¶

Given a string and an index, return a string length 2 starting at the given index. If the index is too big or too small to define a string length 2, use the first 2 chars. The string length will be at least 2.

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:

'java'
0

Output:

'ja'

Test 2¶

Input:

'java'
2

Output:

'va'

Test 3¶

Input:

'java'
3

Output:

'ja'

Test 4¶

Input:

'java'
4

Output:

'ja'

Test 5¶

Input:

'java'
-1

Output:

'ja'

Test 6¶

Input:

'Hello'
0

Output:

'He'

Test 7¶

Input:

'Hello'
1

Output:

'el'

Test 8¶

Input:

'Hello'
99

Output:

'He'

Test 9¶

Input:

'Hello'
3

Output:

'lo'

Test 10¶

Input:

'Hello'
4

Output:

'He'

Test 11¶

Input:

'Hello'
5

Output:

'He'

Test 12¶

Input:

'Hello'
-7

Output:

'He'

Test 13¶

Input:

'Hello'
6

Output:

'He'

Test 14¶

Input:

'Hello'
-1

Output:

'He'

Test 15¶

Input:

'yay'
0

Output:

'ya'