The three male students in Doyeon's class are 161.5 centimeters (cm), 154.3 centimeters (cm), and 143.7 centimeters (cm) tall, and the four female students are 160.1 centimeters (cm), 158.0 centimeters (cm), 153.5 centimeters (cm) ,147.8 centimeters(cm) tall.  Find the height of the shortest student among the 7 students.
[OP_LIST_SOL] 161.5 154.3 143.7 [OP_LIST_EOL] [OP_LIST_SOL] 160.1 158.0 153.5 147.8 [OP_LIST_EOL] [OP_SET_UNION] 1 [OP_LIST_MIN]
var_a = 161.5
var_b = 154.3
var_c = 143.7
list_a= []
if "/" in str(var_c):
    var_c = eval(str(var_c))
list_a.append(var_c)
if "/" in str(var_b):
    var_b = eval(str(var_b))
list_a.append(var_b)
if "/" in str(var_a):
    var_a = eval(str(var_a))
list_a.append(var_a)
list_a.reverse()
var_d = 160.1
var_e = 158
var_f = 153.5
var_g = 147.8
list_b= []
if "/" in str(var_g):
    var_g = eval(str(var_g))
list_b.append(var_g)
if "/" in str(var_f):
    var_f = eval(str(var_f))
list_b.append(var_f)
if "/" in str(var_e):
    var_e = eval(str(var_e))
list_b.append(var_e)
if "/" in str(var_d):
    var_d = eval(str(var_d))
list_b.append(var_d)
list_b.reverse()
list_c = list(set(list_a) | set(list_b))
var_h = 1
list_d=list_c.copy()
list_d.sort()
var_i = list_d[var_h-1]
print('{:.2f}'.format(round(var_i+1e-10,2)))