Anas Harith

main.py

@@ -1,6 +1,108 @@
+import sys
+
+
 class Solution:
-    pass
+    # variables to store results in
+    ipClass = ""
+    designation = ""
+
+    # constructor
+    def __init__(self, ipInput):
+
+        self.ipInput = ipInput
+        self.subNet = ipInput[ipInput.find("/") + 1::]
+
+        # checking input format for spaces and subnet
+        if "/" in ipInput and " " not in ipInput and self.subNet != "":
+            self.ipInput = self.ipInput[:self.ipInput.find("/")].split(".")
+            ipInput = ipInput[:ipInput.find("/")].split(".")
+
+            # checking if the first octet equals zero
+
+            if int(ipInput[0]) == 0:
+                # input error
+                print("wrong input format, please pay some attention!")
+
+            # checking if any octet value is more than 255
+
+            for octet in ipInput:
+                if int(octet) > 255:
+                    # input error
+                    print("wrong input format, please pay some attention!")
+
+            # storing each octet value
+            self.firstOctet = int(ipInput[0])
+            self.secondOctet = int(ipInput[1])
+            self.thirdOctet = int(ipInput[2])
+            self.fourthOctet = int(ipInput[3])
+
+        else:
+            # input error
+            print("wrong input format, please pay some attention!")
+
+    # my main function for calculating
+    # conditions are concluded from https://www.meridianoutpost.com/resources/articles/IP-classes.php
+    def ipCalcMain(self):
+
+        # checking if the class is A (where first octet must be >= 0 and <= 127)
+        if self.firstOctet >= 0 and self.firstOctet <= 127:
+            self.ipClass = "A"
+
+            # checking the designation
+
+            if self.firstOctet == 10:
+                self.designation = "Private"
+            elif self.firstOctet == 127 and self.fourthOctet >= 1:
+                self.designation = "Special"
+            else:
+                self.designation = "Public"
+
+        # checking for class be
+        elif self.firstOctet >= 128 and self.firstOctet <= 191:
+            self.ipClass = "B"
+
+            # checking the designation
+            if self.firstOctet == 172 and self.secondOctet >= 16 and self.secondOctet <= 32:
+                self.designation = "Private"
+            else:
+                self.designation = "Public"
+
+        # checking for class c
+        elif self.firstOctet >= 192 and self.firstOctet <= 223:
+            self.ipClass = "C"
+
+            # checking the designation
+            if self.firstOctet == 192 and self.secondOctet == 168:
+                self.designation = "Private"
+            else:
+                self.designation = "Public"
+
+        # checking for class D
+        elif self.firstOctet >= 224 and self.firstOctet <= 239:
+            self.ipClass = "D"
+            # since D class does not have any designation
+            self.designation = "(There is no Designation for class D)"
+
+        # checking for E class
+        elif self.firstOctet >= 240 and self.firstOctet <= 255:
+            self.ipClass = "E"
+
+            # since D class does not have any designation
+            self.designation = "(There is no Designation for class E)"
+
+    def __str__(self):
+        # hey Laith, this comment is for me in the future when I try to understand why I did I use __str__()
+        # https://realpython.com/lessons/how-and-when-use-str/
+
+        # executing my main function
+
+        self.ipCalcMain()
+
+        # formatting the output
+        return f"Class : {self.ipClass}, Designation : {self.designation}"
 
 
 if __name__ == '__main__':
-    pass
+
+    #running and printing
+    print(Solution(sys.argv[1]))