def camel_to_snake(text):
  import re
  
  str1 = re.sub('(.)([A-Z][a-z]+)', r'\1_\2', text)
  return re.sub('([a-z0-9])([A-Z])', r'\1_\2', str1).lower()
def is_not_prime(n):
    import math
    
    result = False
    for i in range(2,int(math.sqrt(n)) + 1):
        if n % i == 0:
            result = True
    return result