This article mainly introduces examples of adding variables to strings in Python. It has certain reference value. Now I share it with you. Friends in need can refer to it
Sometimes, we need Add corresponding variables to the string. Here are several methods for adding variables to the string:
1. Hyphen
name = 'zhangsan' print('my name is '+name) #结果为 my name is zhangsan
2, % character
##
name = 'zhangsan' age = 25 price = 4500.225 print('my name is %s'%(name)) print('i am %d'%(age)+' years old') print('my price is %f'%(price)) #保留指定位数小数(四舍五入) print('my price is %.2f'%(price))
The result is
my name is zhangsan i am 25 years old my price is 4500.225000 my price is 4500.23
3. format() function
for variables In many cases, it is relatively troublesome to add ' ' or '%'. In this case, you can use the format functionname = 'zhangsan' age = 25 price = 4500.225 info = 'my name is {my_name},i am {my_age} years old,my price is {my_price}'\ .format(my_name=name,my_age=age,my_price=price) print(info)
The result is:
my name is zhangsan,i am 25 years old,my price is 4500.225
Python find the position of a character in a string example
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