Answer:
def lesser_adjacent_num ( N ):
N = int( N )
while N == True:
next = N - 1
print if next >= 0 ? next : break
Step-by-step explanation:
The python function above called "lesser_adjacent_num" accepts an argument called "N" which is an integer. The function print the number "next" which is a number less than the N integer for every loop for the condition where N is not zero.