流程控制
2022-12-11 本文已影响0人
考拉十口
if ... else
单分支
age = 19
if age >= 18 :
print("成年了！")
双分支
age = 17
if age >= 18 :
print("成年了！")
else :
print("未成年！")
多分支
score = 60
if 90 <= score <= 100:
print("A")
elif 80 <= score <= 89:
print("B")
elif 60 <= score <= 79:
print("C")
elif 40 <= score <= 59:
print("D")
elif 0 <= score <= 39:
print("E")
else:
print("输入有误，请重新输入")
