#############################PROBLEM 1################################
def skippy(s):
    """precondtion: s is a string
postcondtion:  returns every other character in s starting at index 0."""
    pass
#############################PROBLEM 2################################
def perverse(s):
    """preconditon:  s is a string
postcondition: returns a a string containing s's characters in
reverse order"""
    pass
#############################PROBLEM 3################################
def innuendo(s):
    """precondition: s is a string
postcondition: returns s if s has six or fewer characers.  Otherwise,
it returns a string containing the first three characers and the last
three characters of s."""
    pass
#############################PROBLEM 4################################
def lopov(s, t):
    """precondition: s and t are strings.  
postcondition:  if t is not a substring of s, return s.
if t is a substring of s, return a string that contains s,
except that the first instance of t and all characters following 
it are chopped off."""
    pass
#############################PROBLEM 5################################
def vopol(s, t):
    """precondition: s and t are strings.  
postcondition:  if t is not a substring of s, return s.
if t is a substring of s, return a string that contains s,
except that the last instance of t and all characters following 
it are chopped off."""
    pass
#############################PROBLEM 6################################
def holy_rooted(n):
    """precondition: n is an integer and n >= 0
postcondition: return the integer square root of n.
examples
    squarely(10) -> 3
    squarely(200) -> 14
"""
    pass
def main():
    #test here
    #testing is good.  Here are free tests for holy_rooted
    #I use tests like this to check your work.  
    x, y = 10, 3
    print(f"Case x = {x} y = {y}:", end = "")
    print("PASS" if (holy_rooted(x) == y) else "FAIL")
    x, y = 200, 14
    print(f"Case x = {x} y = {y}:", end = "")
    print("PASS" if (holy_rooted(x) == y) else "FAIL")
    x, y = 0, 0
    print(f"Case x = {x} y = {y}:", end = "")
    print("PASS" if (holy_rooted(x) == y) else "FAIL")
main()