def test_prime_invalid_values():
with pytest.raises(TypeError) as err:
is_prime("1")
with pytest.raises(TypeError) as err:
is_prime(10.1)
with pytest.raises(TypeError) as err:
is_prime([1, 2, 3])
with pytest.raises(TypeError) as err:
is_prime((1, 2, 3))
with pytest.raises(TypeError) as err:
is_prime(None)
def prime_before(number):
'''The Function will return the prime number that comes first
when we count from backwards of the given number
Note: The number passed should be greater than 2'''
if not is_int(number):
raise TypeError("Unsupported format")
if number <= 2:
raise ValueError('Invalid input')
for i in range(number - 1, 1, -1):
if is_prime(i):
return i
#This return will never be executed
return None
def product_prime(number):
'''This function returns the product of the numbers which are prime factors
of a given number'''
if not is_int(number):
raise TypeError(f'unsupported format, {type(number)} is in the place of"integer"')
if number <= 0:
raise ValueError("pass an integer greater than 0")
product = 1
for i in range(2, number+1):
if number % i == 0 and is_prime(i):
product = product * i
return product
def test_prime_valid_values():
assert is_prime(10) == False
assert is_prime(100) == False
assert is_prime(11) == True
assert is_prime(101) == True
assert is_prime(140) == False