python基础语法

1.字符串中加入变量

name = '张三'
age = 24
print('my name is %s and my age is %d' % (name, age))
print('my name is {} and my age is {}'.format(name, age))
print('my name is {a1} and my age is {a2}'.format(a2=age, a1=name))
grade = {'xuexiao': '北大','name' : '张三'}
print('{name}考上了{xuexiao}'.format(**grade))