# decimal number system
nDecimal = 42
# octal number system
octal = 0o42
# octal is 34
# hexadecimal number system
hexadecimal = 0x42
# hexadecimal is 66
# binary number system
binary = 0b1010
# binary is 10
# 42 to decimal string
sDecimal = str(42)
# sDecimal is 42
# 42 to octal string
sOctal = oct(42)
# sOctal is 0o52
# 42 to hexadecimal string
sHexadecimal = hex(42)
# sHexadecimal is 0x2a
# 42 to binary string
sBinary = bin(42)
# sBinary is 0b101010
print(f"{octal = }")
print(f"{hexadecimal = }")
print(f"{binary = }")
print(f"{sDecimal = }")
print(f"{sOctal = }")
print(f"{sHexadecimal = }")
print(f"{sBinary = }")