Modulus 11 check, to validate CPR numbers

cpr_mod11_check.py

# Note that not all CPR numbers can be validated this way
# More info: https://cpr.dk/cpr-systemet/personnumre-uden-kontrolciffer-modulus-11-kontrol
def mod11check(cpr_to_check) -> bool:
	sum2mod = 0
	cpr_arr = [int(x) for x in str(cpr_to_check)]
	for i in range(0, len(cpr_arr)):
		sum2mod += cpr_arr[i] * [4, 3, 2, 7, 6, 5, 4, 3, 2, 1][i]

	if sum2mod % 11 == 0:
		return True
	else:
		return False


cpr = 2212603611
print(f"Modcheck for CPR number {cpr}: {mod11check(cpr)}")