updated solution

Author: Pc

Solutions/Excercise4.py

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+def main():
+    x=11
+    y=2
+    print("Addition X+Y=",x+y)
+    print("Subtraction  X-Y=",x-y)
+    print("Multiplication X*Y=",x*y)
+    print("Division X/Y=",x/y)
+    print("Modulus X%Y=",x%y)
+    print("Exponent X**Y=",x**y)
+    print("Floor Division X//Y=",x//y)
+
+if __name__ == '__main__':
+    main()

Solutions/Excercise5.py

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+def main():
+    x=78
+    if(x>=90):
+        print("Eligible For Research")
+    elif (x>70) and (x<90):
+        if(x>75):
+            print("Eligible for Placement")
+        print("Distinction")
+    else:
+        print("Fail")
+
+if __name__ == '__main__':
+    main()

Solutions/Excercise6.py

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+def main():
+    x=4
+    y=2
+    print("Bitwise AND X&Y=",   x&y     )
+    print("Bitwise OR X|Y=",    x|y    )
+    print("Bitwise XOR X^Y=",    x^y    )
+    print("Bitwise Complement ~X=", ~x       )
+    print("Bitwise Left Shift X<<Y=", x<<y       )
+    print("Bitwise Right Shift X>>Y=", x>>y       )
+
+if __name__ == '__main__':
+    main()

Solutions/Excercise7.py

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+'''
+Enter a String : Introduction To Python
+Required Output =  ['y', 't', 't', 'o', 'o', 'n', 'n', 'h', 'c', 'P', ' ']
+'''
+def main():
+    inputString= input("Enter a String : ")
+    inputList=list(inputString)
+    inputList.sort()
+    inputList.reverse()
+    print("Required Output = ",inputList[::2])
+
+if __name__ == '__main__':
+    main()

Solutions/Excercise8.py

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+'''
+Enter a number : 5
+Required Output = factorial of 5 is : 120
+'''
+def factorial(number):
+    if (number<=1):
+        return 1
+    else:
+        return (number*factorial(number-1))
+
+def main():
+    inputNum = int(input("Enter a Number : "))
+    print("factorial of "+str(inputNum)+" is :",factorial(inputNum))
+
+if __name__ == '__main__':
+    main()