From b2fe8a53f41347e7f77f73f547ef72e02474d994 Mon Sep 17 00:00:00 2001
From: Sirin Puenggun <sirin_29@hotmail.co.th>
Date: Fri, 25 Nov 2022 20:58:05 +0700
Subject: [PATCH] Checking Minus sign and Check devide by 0 error

---
 .../__pycache__/fraction.cpython-310.pyc      | Bin 0 -> 2961 bytes
 nessesary/fraction.py                         |  48 +++++++++++++++++-
 2 files changed, 46 insertions(+), 2 deletions(-)
 create mode 100644 nessesary/__pycache__/fraction.cpython-310.pyc

diff --git a/nessesary/__pycache__/fraction.cpython-310.pyc b/nessesary/__pycache__/fraction.cpython-310.pyc
new file mode 100644
index 0000000000000000000000000000000000000000..54e7f9e0fc1521583386177f7797812d57a78d7a
GIT binary patch
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diff --git a/nessesary/fraction.py b/nessesary/fraction.py
index a1da5e7..6209566 100644
--- a/nessesary/fraction.py
+++ b/nessesary/fraction.py
@@ -1,9 +1,38 @@
 class Fraction:
     def __init__(self, numer, denom):
-        self.numer = numer
-        self.denom = denom
+        if numer < 0 and denom < 0:
+            numer = -numer
+            denom = -denom
+        if denom < 0:
+            numer = -numer
+            denom = -denom
+        if denom == 0:
+            raise ValueError("Denominator shouldn't be zero.")
+        self.__numer = numer
+        self.__denom = denom
         self.floating = numer/denom
 
+    @property
+    def numer(self):
+        return self.__numer
+
+    @property
+    def denom(self):
+        return self.__denom
+    
+    @numer.setter
+    def numer(self, value):
+        self.__numer = value
+
+    @denom.setter
+    def denom(self, value):
+        if denom < 0:
+            numer = -numer
+            denom = -denom
+        if denom == 0:
+            raise ValueError("Denominator shouldn't be zero.")
+        self.__denom = value
+
     def __add__(self, other):
         """
         Add Fraction.
@@ -62,4 +91,19 @@ class Fraction:
         return result
 
     def __str__(self) -> str:
+        """
+        Print Fraction Form.
+        >>> m1 = Fraction(1, 2)
+        >>> print(m1)
+        1/2
+        >>> m2 = Fraction(5, -2)
+        >>> print(m2)
+        -5/2
+        >>> m3 = Fraction(-5, 2)
+        >>> print(m3)
+        -5/2
+        >>> m4 = Fraction(-5, -2)
+        >>> print(m4)
+        5/2
+        """
         return f"{self.numer}/{self.denom}"
\ No newline at end of file