print(4.2)

print(type(4.2))

print(200000000000000000.0)

print(2e400)

print(-2e400)

print(0.1 + 0.2)

print(0.1 * 3)

print(1e-4)

print(4.0)

print(0.2)

print(1e6)
print(1e6)

print(0.4e7)

print(type(0.4e7))

print(4.2e-4)


print(1.79e308)

print(1.8e308)


print(5e-324)

print(1e-325)


# Integer numbers
print(float(9))

print(float(-99999))


# Strings representing numbers
print(float("2"))

print(float("-200"))

print(float("2.25"))


# Floating-point numbers
print(int(10.6))

print(int(3.25))


# Strings representing numbers
print(int("2"))

print(10.0 .is_integer())

print(10.2 .is_integer())


print((10).bit_length())


print(1e308)
print(1e-308)


import sys

print(sys.float_info.min)
# 2.2250738585072014e-308     is the maximum positive floating point value.

print(sys.float_info.max)
# 1.7976931348623157e+308   is the smallest positive floating point value.


# no es lo que uno podria creer
print(0.1 + 0.2 == 0.3)

print(0.2 + 0.2 + 0.2 == 0.6)

print(1.2 + 2.4 + 3.6 == 7.2)


print(0.1 + 0.2 <= 0.3)

print(10.4 + 20.8 > 31.2)

print(0.8 - 0.1 > 0.7)


numerator, denominator = (0.1).as_integer_ratio()
print(f"0.1 ≈ {numerator} / {denominator}")
print(format(numerator / denominator, ".55f"))


print(format(0.1, ".17g"))

print(format(0.2, ".17g"))

print(format(0.3, ".17g"))


import math

print(math.isclose(0.1 + 0.2, 0.3))


a = 0.1 + 0.2
b = 0.3
print(abs(a - b))


print(math.isclose(0.1 + 0.2, 0.3, rel_tol=1e-20))