Question: 
Write a function to remove odd characters in a string.


Model's Code:
def remove_odd(s):
    return ''.join(s[i] for i in range(len(s)) if i % 2 != 0)



Sample Correct Code:
def remove_odd(str1):
 str2 = ''
 for i in range(1, len(str1) + 1):
    if(i % 2 == 0):
        str2 = str2 + str1[i - 1]
 return str2


Asserts:
assert remove_odd("python")==("yhn")
assert remove_odd("program")==("rga")
assert remove_odd("language")==("agae")


Tests:
Test 1 of 3: PASS
Test 2 of 3: PASS
Test 3 of 3: PASS

Test 437 of 974: 319/437 (72.99771167048054%): success