from math import e, log, log2
number = 512.0
log_base = 8.0
result = log(number, log_base)
# result is 3.0
# One argument: natural log
ln = log(e)
# ln is 1.0
# Base 2 has its own function
result2 = log2(number)
# result2 is 9.0
print(f"{result = }")
print(f"{ln = }")
print(f"{result2 = }")