1. 简单字符串格式化
format =
"
Hello, how are you doing %s %s!
"
values = (
"
David
",
"
Gu
")
print format % values
Result:
Hello, how are you doing David Gu!
format =
"
PI with seven decimals: %.7f
"
from math
import pi
print format % pi
Result:
PI with seven decimals: 3.1415927