Preparing git repo for final project

problems/pset7/numb3rs/numb3rs.py

@@ -0,0 +1,19 @@
+import re
+import sys
+
+
+def main():
+    print(validate(input("IPv4 Address: ")))
+
+
+def validate(ip):
+    if not re.match(r'^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$', ip):
+        return False
+    for n in map(int, ip.split('.')):
+        if not 0 <= n <= 255:
+            return False
+    return True
+
+
+if __name__ == "__main__":
+    main()

problems/pset7/numb3rs/test_numb3rs.py

@@ -0,0 +1,32 @@
+from numb3rs import validate
+
+
+def main():
+    test_non_digits()
+    test_negative_numbers()
+    test_numbers_too_big()
+    test_numbers_too_long()
+
+
+def test_non_digits():
+    assert validate('aaa.bbb.ccc.ddd') == False
+    assert validate('cat') == False
+
+
+def test_negative_numbers():
+    assert validate('-11.111.-1.-1') == False
+
+
+def test_numbers_too_big():
+    assert validate('257.200.1.1') == False
+    assert validate('200.257.1.1') == False
+    assert validate('200.1.257.1') == False
+    assert validate('200.1.5.257') == False
+
+
+def test_numbers_too_long():
+    assert validate('200.1.5.2.57') == False
+
+
+if __name__ == '__main__':
+    main()