s='BJTU'

for i in s:

if i=='J':

continue

print(i,end=’’)

 if x>=80 and x<90: return 'B' 

if x>=70 and x<80: return 'C' 

if x>=60 and x<70: return 'D' 

if x<60: return 'F' 

print(score(89))

x,y=y,x

 if xz: x,z=z,x 

if y<z: y,z=z,y 

return x,y,z 

print(sort(5,7,1))

s=0

for i in range(102):

s=s+i

print(s)

def add(a, b=3):

    return a + b

result = add(2)

print(result)   

def func(x):

    return x * 2

print(func(3))