
    Write a function to standardize patient identification codes by removing odd-positioned characters from the input code to match the hospital's system format. This standardization is critical for accurate patient tracking in the emergency triage system and must maintain the original sequence of even-positioned characters without any reordering.
    

    
def remove_odd(str1):
    """
    Write a function to standardize patient identification codes by removing odd-positioned characters from the input code to match the hospital's system format. This standardization is critical for accurate patient tracking in the emergency triage system and must maintain the original sequence of even-positioned characters without any reordering.
    

    """
def remove_odd(str1):
    """
    Write a function to standardize patient identification codes by removing odd-positioned characters from the input code to match the hospital's system format. This standardization is critical for accurate patient tracking in the emergency triage system and must maintain the original sequence of even-positioned characters without any reordering.
    

    """
    str2 = ''
    for i in range(1, len(str1) + 1):
        if i % 2 == 0:
            str2 = str2 + str1[i - 1]
    return str2