def min_of_three(a,b,c):
       
      if (a <= b) and (a <= c): 
        smallest = a 
      elif (b <= a) and (b <= c): 
        smallest = b 
      else: 
        smallest = c 
      return smallest 
def min_of_three(a, b, c):
    if (a <= b) and (a <= c):
        smallest = a
    elif (b <= a) and (b <= c):
       
        smallest = b
    else:
        smallest = c
    return smallest