Driver code
s = "45" NEW_LINE print ( primeDigits ( s ) ) NEW_LINE s = "1000" NEW_LINE print ( primeDigits ( s ) ) NEW_LINE s = "7721" NEW_LINE print ( primeDigits ( s ) ) NEW_LINE s = "7221" NEW_LINE print ( primeDigits ( s ) ) NEW_LINE s = "74545678912345689748593275897894708927680" NEW_LINE print ( primeDigits ( s ) ) NEW_LINE