Question

如果用户输入的数字小于-100或大于200，则我希望程序要求他们反复“输入介于-100和200之间的数字”，直到他们这样做为止。我该怎么办？


while r < temp:
    first_year = float(input("What is the first year?"))
    average_temp = float(input("What is the average temputure for the year"))
    if average_temp < -100:
        print  ("Enter a number between -100 and 200")
    if average_temp > 200:
        print ("Enter a number between -100 and 200)
    if averaget_temp <200:
        print ("The average temputure for year" , first_year , "is" , average_temp)
    if average_temp > -100:
            print ("The average temputure for year" , first_year , "is" , average_temp)

    r += 1

Answer 1

您可以使用while进行循环。

condition = True
while condition:
    # do_something
    condition = False

Answer 2

您可以使用while循环：

while True:
    average_temp = int(input('Number: '))
    if 200 > average_temp > -100:
        break # <----------------- See flow diagram: tutorialspoint.com/python/python_break_statement
    else:
        print('Enter a number between -100 and 200!')

Answer 3

一个例子：

number = float(input("Enter a number between -100 and 200: "))
while number<-100 or number>200:
    number = float(input("Enter a number between -100 and 200: "))
print ("Thank you")

如何进行循环？

3 个答案: