print('Adding numbers') 
x = 34 + 4
print(x)
print('Substracting numbers')
j =  x - 5
print(j)
print('Dividing numbers') #USE this comment to debug or detect where errors occur in your code easily
y = x / 2
print(y)
print('Multiplying numbers')
z = y * 2
print(z)
print('Exponential')
k = z ** 2 # z is raised to the power 2
print(k)
print('The strings bellow must be converted to numbers before they are used in calculations')
x = '5'
y = '6'
#Converting strings to int numbers before printing
print(int(x) + int(y))

