while 1:
print("Please tell me your height!\nEnter 'quit' to end the program.")
try:
str = input()
if str == 'quit':
break
else:
num = float(str)
if num < 0 or num > 3:
print('数字不合法')
continue
if num < 1.0:
print('Your admission cost is 0 yuan.')
elif num >= 1.0 and num<=1.2:
print('Your admission cost is 80 yuan.')
else:
print('Your admission cost is 150 yuan.')
except TypeError:
continue