def decimal_to_binary(n):
return bin(n).replace("0b", "")
print(decimal_to_binary(8))
print(decimal_to_binary(16))
print(decimal_to_binary(256))
print(decimal_to_binary(1024))
print(decimal_to_binary(123))
'''
run:
1000
10000
100000000
10000000000
1111011
'''