express_some_math

# Shows computations with numbers [Mu: Python 3]
# Copyright 2022, 2023 Roland Richter

print("=== Arithmetic operators ===")

print("Addition: 42 + 3.14 is", 42 + 3.14)
print("Subtraction: 42 - 3.14 is", 42 - 3.14)
print("Multiplication: 42 * 3.14 is", 42 * 3.14)

print("Division: 17 / 5 is", 17 / 5)
print("Floor division: 17 // 5 is", 17 // 5)
print("Modulus operator: 17 % 5 is", 17 % 5)

print("=== Assignment operators ===")

x = 42
print("do 'x = 42', and x is", x)
x += 3.14
print("do 'x += 3.14', and x is now", x)

y = 42
print("do 'y = 42', and y is", y)
y -= 3.14
print("do 'y -= 3.14', and y is now", y)

z = 42
print("do 'z = 42', and z is", z)
z *= 3.14
print("do 'z *= 3.14', and z is now", z)

print("=== Comparison operators ===")

if x == y:
    print("x is equal to y:", x, "==", y)
if x != y:
    print("x is not equal to y:", x, "!=", y)
if x < y:
    print("x is less than y:", x, "<", y)
if x > y:
    print("x is greater than y:", x, ">", y)
if y <= z:
    print("y is less than or equal to z:", y, "<=", z)
if y >= z:
    print("y is greater than or equal to z:", y, ">=", z)

print("=== Integer numbers ===")

print("the answer is:", 42)
print("the number 42, in binary notation:", bin(42))  # starts with prefix 0b
print("the number 42, in hexadecimal notation:", hex(42))  # starts with prefix 0x

print(
    "largest 8-bit unsigned integer:",
    bin(0b11111111),
    "=",
    0b11111111,
    "=",
    hex(0b11111111),
)

# ----------------------------------------------------------------------
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# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.