str_1 = "ca   r"
str_2 = "rac"
s1 = "anagram"
s2 = "mnagram"

def is_anagram(s1, s2):
  s1 = s1.lower()
  s2 = s2.lower()
  s1 = s1.replace(" ", "")
  s2 = s2.replace(" ", "")

  return sorted(s1) == sorted(s2)

print(is_anagram(str_1, str_2))