1. 使用赋值运算符 `=`:
name = 'zhangsan'
age = 25
price = 4500.225
print('my name is %s' % name)
print('i am %d years old' % age)
print('my price is %f' % price)
2. 使用 `+` 连字符引入变量:
name = 'zhangsan'
print('my name is %s' % name)
3. 使用 `format()` 函数引入变量:
name = '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)
4. 使用f-string(Python 3.6+):
name = 'zhangsan'
age = 25
price = 4500.225
print(f'my name is {name}, i am {age} years old, my price is {price}')