python

add two number

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+# This program adds two numbers
+
+num1 = 1.5
+num2 = 6.3
+
+# Add two numbers
+sum = num1 + num2
+
+# Display the sum
+print('The sum of {0} and {1} is {2}'.format(num1, num2, sum))

solve quadratic

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+# Solve the quadratic equation ax**2 + bx + c = 0
+
+# import complex math module
+import cmath
+
+a = 1
+b = 5
+c = 6
+
+# calculate the discriminant
+d = (b**2) - (4*a*c)
+
+# find two solutions
+sol1 = (-b-cmath.sqrt(d))/(2*a)
+sol2 = (-b+cmath.sqrt(d))/(2*a)
+
+print('The solution are {0} and {1}'.format(sol1,sol2))

swap in python

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+# Python program to swap two variables
+
+x = 5
+y = 10
+
+# To take inputs from the user
+#x = input('Enter value of x: ')
+#y = input('Enter value of y: ')
+
+# create a temporary variable and swap the values
+temp = x
+x = y
+y = temp
+
+print('The value of x after swapping: {}'.format(x))
+print('The value of y after swapping: {}'.format(y))