s = "dont criticize,condemn or complain"
print(s.find("or",20))

t = s.replace("d","v")

print(s)
print(t)

temp = "a,b,c"
print(temp.split(","))

red = temp.split(",")

print("*".join(red))

print(s.capitalize())
print(s.swapcase())
print(s.title())