Tres formas de formatear la salida en Python

"""
占位符
"""

age = 25

print('My name is xxx, my age is ' + str(age))
# 打印结果 My name is xxx, my age is 25

age = 26

print('My name is xxx, my age is', age)
# 打印结果 My name is xxx, my age is 26

name = 'LiMing'
age = 18
print('My name is ' + name + ' my age is ' + str(age))
# 打印结果 My name is LiMing my age is 18

# %s（针对所有数据类型）、%d（仅仅针对数字类型）
name = 'zhangpeng'
age = 34
print('My name is %s my age is %s' % (name, age))
# 打印结果 My name is zhangpeng my age is 34

age = 23
print('My age is %d' % age)
# 打印结果 My age is 23


"""
format格式化
"""

name = 'jack'
age = 34
print('Hell0, {}. You are {}.'.format(name, age))
# 打印结果 Hell0, jack. You are 34.

name = 'anny'
age = 56
print('Hello, {1}. You are {0}-{0}.'.format(age, name))
# 打印结果 Hello, anny. You are 56-56.

name = 'zhangsan'
age = '15'
print('Hello, {name}. You are {age}-{age}.'.format(age=age, name=name))
# 打印结果 Hello, zhangsan. You are 15-15.

"""
f-String格式化
"""

name = 'jack'
age = 25
print(f'Hello, {
      
      name}. You are {
      
      age}')  # 大写F也可以
# 打印结果 Hello, jack. You are 25

age = 25
print(F'{
      
      age*2}')
# 打印结果 50

pai = 6.156
print(F'{
      
      pai:.2f}')
# 打印结果 6.16