a = 45678
b = 0x12fd2
print (a+b)


c = 'Learn Python in Class69'
print(c)
print(100<99)
print( 0xff == 255)

d = 'HE\{100t}LLO'
print(d)

str = r'''select *
 
 from emp'''


str = u'中文'
print(str)

print(11//4)
print(11%4)

print(round(3.1415,2))

a=True
print(a and 'a=f' or 'a=t')