day3python分支结构

day3

分支结构

"""
分支语句 if elif else
"""
from random import randint
face = randint(1,6)
if face ==1:
result ="one"
elif face==2:
result ="two"
elif face ==3:
result="three"
elif face ==4:
result ="four"
elif face ==5:
result ="five"
elif face ==6:
result ="six"
else:
result ="seven"
print(result)
___________________________________________________________
"""
百分制成绩等级制
"""
score= float(input("请输入成绩："))
if score>=90:
grade ="A"
elif score>=80:
grade ="B"
elif score>=70:
grade ="C"
elif score>=60:
grade ="D"
else:
grade ="E"
print("等级为：",grade)