python if-elif-else 判断
#!/usr/bin/python
#coding=utf-8
#好好学习,天天向上
age=12
if age<4:
price=0
elif age<18:
price=40
elif age>66:
price=40
else:
price=20
print(f"your admmssion cost is ${price}.")

判断多条件时可用if-elif-else结构语句
#!/usr/bin/python
#coding=utf-8
#好好学习,天天向上
age=12
if age<4:
price=0
elif age<18:
price=40
elif age>66:
price=40
else:
price=20
print(f"your admmssion cost is ${price}.")

判断多条件时可用if-elif-else结构语句