print(4/2) #floating point division result=2.0
print(4//2) #integer division result=2

print(2**3) # 2 power 3
print(2**0.5) # square root of 2
print(round(2**0.5,3)) # square root of 2

#precedence rule           left to right associativity
print(2*3+5-2)  #9

print(2**3**2)           #   right to left associativity result= 2**9 =512


