# 練習(xí)

# 請(qǐng)利用print()輸出1024 * 768 = xxx

print('1024*768=',1024*768)

print(r'''hello,\n

?word''')

print('''line1

line2

?line3''')

age=int(input("請(qǐng)輸入您的年齡"))

?if age>=18:

print("too old!")

else:

print("too young!")

a='ABC'

b=a

a='XYZ'

print(b)

# 請(qǐng)打印出以下變量的值：

n = 123

f = 456.789

s1 = 'Hello, world'

s2 = 'Hello, \'Adam\''

s3 = r'Hello, "Bart"'

s4 = r'''Hello,

Lisa!'''

print('''n = 123

f = 456.789

s1 = \'Hello, world\'

s2 = 'Hello, \\\'Adam\\\''

s3 = r\'Hello, \"Bart\"'

s4 = r\'''Hello,\nLisa!\'''

''')