print(bin(20))#bin function to convert from decimal to binary

print(0b10100)#to convert bin to decimal b denotes binary format


print(oct(30))#function to convert from decimal to octal

print(0o36)#o denotes octal format

print(hex(40))#function to convert from decimal to hexadecimal

print(0x28)#x denotes hexadecimal format
