python的print函数的格式化输出

print('%s' % ("CooMark"))
print('整数|%d|' % (123))
print('浮点数|%f|' % (123))
print('保留两位小数|%.2f|' % (123))
print('指定总宽度和小数位数|%8.2f|' % (123))
print('指定总宽度并且左对齐|%-8.2f|' % (123))
print('指定总宽度和用0占位|%08.2f|' % (123))
print('科学计数法|', format(0.0015, '.2e'), '|')
print('参数化输出|{0} is already {1} years old...|'.format('CooMark', 30))

# CooMark
# 整数|123|
# 浮点数|123.000000|
# 保留两位小数|123.00|
# 指定总宽度和小数位数|  123.00|
# 指定总宽度并且左对齐|123.00  |
# 指定总宽度和用0占位|00123.00|
# 科学计数法| 1.50e-03 |
# 参数化输出|CooMark is already 30 years old...|
# [Finished in 0.9s]