print(10+5) ##addition
print(10-5) ##subtraction  
print(10*5) ##multiplication
print(10/5) ##division

print(10//3) ##floor gives values to left of decimal
print(2**5) ##exponentiation of value
print(10%3) ##modulus gives remainder

##assignment operator
x=10
y=5

print("x before: %i" %x)
x+=y
print("y before: %i" %y)
print("x after: %i" %x)
y+=y
print("y after: %i" %y)
x=10
x=7
