while loop.py

n = int(input('Enter a number?'))
i = 1
while i < n:
  print (i)
  i = i+1

n = 13 
sum = 0 
while (n > 1): 
 n = n//2 
 sum = sum + n 
print(sum)

n,p = 9,1
while (n >= 1):   
  n,p = n//2,n*p
  print(int(p))

n = int(input('Enter a number?'))
i = n
while i > 0 :
  print (i)
  i = i-1

n = int(input('Enter a number?'))
i = 1
while i <= n:
  i = i+1
  print (i)