2sept25a

x =1 
y = 1.0
z = '1'
print(type(x), type(y),type(z))
print(0.5-0.4)
print(0.5-0.2)
print(0.1 + 0.1 + 0.1)
from decimal import Decimal
x = Decimal ('0.1')
print(type(x))
print(True), type (False)
print
print(type(None))