Python中的变量插值

name = "Alice"
age = 25
print("My name is {}, and I am {} years old.".format(name, age))
# 输出：My name is Alice, and I am 25 years old.

print("My name is %s, and I am %d years old." % (name, age))
# 输出：My name is Alice, and I am 25 years old.

name = "Alice"
age = 25
print(f"My name is {name}, and I am {age} years old.")
# 输出：My name is Alice, and I am 25 years old.

from jinja2 import Template

name = "Alice"
age = 25
template = Template("My name is {{ name }}, and I am {{ age }} years old.")
result = template.render(name=name, age=age)
print(result)
# 输出：My name is Alice, and I am 25 years old.