Python learning "7th": string concatenation

1. Formatted character with%s,%d,%f floating-point number

%s stands for formatted string, S is string meaning

msg = ' My name is%s '% "xiaoxing"
Print (msg)
Operation Result:
My name is xiaoxing

%d represents integer data int

msg = ' My name is%s,age:%d '% ("xiaoxing", 22)
Print (msg)
Operation Result:
My name is xiaoxing,age:22

%f representing floating-point numbers

Tp_1 = "annual interest rate is%f"%23.123456789
Print (tp_1)
Operation Result:
Annual interest rate is 23.123457
Rounding by default, six decimal places reserved

Tp_1 = "annual interest rate is%.2f"%23.123456789
Print (tp_1)
Operation Result:
Annual interest rate is 23.12
You can control the number of decimal digits left after rounding by. 2


format string
Http://www.cnblogs.com/wupeiqi/articles/5484747.html

Python learning "7th": string concatenation