Merge pull request arsho#50 from imtiazpy/update-version

updated and modified two solution under classes subdomain

Author: arsho

Classes/Class2FindtheTorsionalAngle.py

@@ -6,7 +6,9 @@
 Subdomain : Classes
 Domain    : Python
 Author    : Ahmedur Rahman Shovon
+Updater   : Imtiaz Ahmed
 Created   : 15 July 2016
+Updated   : 30 August 2022
 Problem   : https://www.hackerrank.com/challenges/class-2-find-the-torsional-angle/problem
 '''
 

Classes/ClassesDealingwithComplexNumbers.py

@@ -3,57 +3,53 @@
 Subdomain : Classes
 Domain    : Python
 Author    : Ahmedur Rahman Shovon
+Updater   : Imtiaz Ahmed
 Created   : 15 July 2016
+Updated   : 30 August 2022
 Problem   : https://www.hackerrank.com/challenges/class-1-dealing-with-complex-numbers/problem
 '''
-# Enter your code here. Read input from STDIN. Print output to 
-
-
-c_str_ar=raw_input().strip().split()
-d_str_ar=raw_input().strip().split()
-
-def custom_print(n):
-    r=n.real
-    i=n.imag
-    ret_str=""
-    if(i==0 and r==0):
-        ret_str="0.00"
-    elif(r==0):        
-        tmp_str="%.2f" %i
-        ret_str=tmp_str+"i"
-    elif(i==0):        
-        tmp_str="%.2f" %r
-        ret_str=tmp_str
-    else:
-        tmp_str1="%.2f" %r
-        tmp_str2="%.2f" %i     
-        if(i>0):
-            ret_str=tmp_str1+" + "+tmp_str2+"i"
+import math
+
+
+
+class Complex():
+    def __init__(self, real, imaginary):
+        self.real = real
+        self.imaginary = imaginary
+        
+    def __add__(self, no):
+        return Complex(self.real + no.real, self.imaginary + no.imaginary)
+        
+    def __sub__(self, no):
+        return Complex(self.real - no.real, self.imaginary - no.imaginary)
+        
+    def __mul__(self, no):
+        return Complex(self.real * no.real - self.imaginary * no.imaginary, self.real * no.imaginary + self.imaginary * no.real)
+
+    def __truediv__(self, no):
+        divider = no.real ** 2 + no.imaginary ** 2
+        return Complex((self.real * no.real + self.imaginary * no.imaginary)/divider, (self.imaginary * no.real - self.real * no.imaginary)/divider)
+        
+    def mod(self):
+        return Complex(math.sqrt(self.real ** 2 + self.imaginary ** 2), 0.00)
+
+    def __str__(self):
+        if self.imaginary == 0:
+            result = "%.2f+0.00i" % (self.real)
+        elif self.real == 0:
+            if self.imaginary >= 0:
+                result = "0.00+%.2fi" % (self.imaginary)
+            else:
+                result = "0.00-%.2fi" % (abs(self.imaginary))
+        elif self.imaginary > 0:
+            result = "%.2f+%.2fi" % (self.real, self.imaginary)
         else:
-            i=i*-1
-            tmp_str2="%.2f" %i                 
-            ret_str=tmp_str1+" - "+tmp_str2+"i"
-    print ret_str
-
-cr=float(c_str_ar[0])
-ci=float(c_str_ar[1])
-dr=float(d_str_ar[0])
-di=float(d_str_ar[1])
-c=complex(cr,ci)
-d=complex(dr,di)
-
-val_add=c+d
-val_sub=c-d
-val_mul=c*d
-val_div=c/d
-mod_c=abs(c)
-mod_d=abs(d)
-
-custom_print(val_add)
-custom_print(val_sub)
-custom_print(val_mul)
-custom_print(val_div)
-
-
-print "%.2f" %mod_c
-print "%.2f" %mod_d
+            result = "%.2f-%.2fi" % (self.real, abs(self.imaginary))
+        return result
+        
+if __name__ == '__main__':
+    c = map(float, input().split())
+    d = map(float, input().split())
+    x = Complex(*c)
+    y = Complex(*d)
+    print(*map(str, [x+y, x-y, x*y, x/y, x.mod(), y.mod()]), sep='\n')