#占位符，替换内容
#%d替换整数、%f替换浮点数、%s替换字符串、%x替换十六进制整数

print('hello,%s' % 'word')
print('hell,%d，%s' % (100,'asd'))


print('Hi, %s, you have $%d.' % ('Michael', 1000000))

a = 10
b = 20
c = (20-10)/10

print(f'提升了{c:.2f}%')
print('提示了，1.f%% % c')
34e4398e48167082b29717a5a4421ff4d473432e
<mask token>

print('hello,%s' % 'word')
print('hell,%d，%s' % (100, 'asd'))
print('Hi, %s, you have $%d.' % ('Michael', 1000000))
<mask token>
print(f'提升了{c:.2f}%')
print('提示了，1.f%% % c')

print('hello,%s' % 'word')
print('hell,%d，%s' % (100, 'asd'))
print('Hi, %s, you have $%d.' % ('Michael', 1000000))
a = 10
b = 20
c = (20 - 10) / 10
print(f'提升了{c:.2f}%')
print('提示了，1.f%% % c')

#占位符，替换内容
#%d替换整数、%f替换浮点数、%s替换字符串、%x替换十六进制整数

print('hello,%s' % 'word')
print('hell,%d，%s' % (100,'asd'))


print('Hi, %s, you have $%d.' % ('Michael', 1000000))

a = 10
b = 20
c = (20-10)/10

print(f'提升了{c:.2f}%')
print('提示了，1.f%% % c')