#------------------------------------------------------------------------------
#  Loop4.py
#  Computes the nth Harmonic number:  1+1/2+1/3+...+1/n
#------------------------------------------------------------------------------

n = 4
sum = 0.0
for k in range(1,n+1):
   sum += 1/k   # same as sum = sum + 1/k
   # print('\t',k, 1/k, sum)
print(sum)  # try indenting this line
            # indentation in Python makes -all- the difference