Question

如果满足特定条件，如何退出？输入正确答案后，循环中的输入仍会弹出。

我尝试使用exit()，break，system.exit，system.quit

x = int(input("write a number : "))
y = int(input("write another number : "))
result = x * y
guess = int(input(str(x) + " is multiplied to "+ str(y) + " is equals to? \n " ))
if guess == result:
    print("congrats")
    ### if this condition is met i want to end here
guess1 = 0
while guess1 != result:
    guess1 = int(input("write another answer : "))
    if guess1 == result:
        print("this time you got it")

如果满足其他条件，我想摆脱其他输入。

Answer 1

最简单的方法是在满足条件的情况下将结果设置为0。

x = int(input("write a number : "))
y = int(input("write another number : "))
result = x * y
guess = int(input(str(x) + " is multiplied to "+ str(y) + " is equals to? \n " ))
if guess == result:
    print("congrats")
    result = 0  # if the condition is met, the while loop would never run if the result is the same as guess1
guess1 = 0
while guess1 != result:
    guess1 = int(input("write another answer : "))
    if guess1 == result:
        print("this time you got it")

###I want to get rid of the other input if the other condition is met

Answer 2

两种解决方案：

将该代码放入函数中，并在需要终止整个操作时使用return。
在要终止的地方使用sys.exit(0)。为此，您需要导入sys模块（import sys）。

另一方面，您可以通过以下方式重构代码并使其更加简洁：

最初将猜测设置为“无”，然后进入循环。您的代码将是：


x = int(input("write a number : "))
y = int(input("write another number : "))
result = x * y
guess = None
while guess != result:
    guess = int(input("write another answer : "))
    if guess == result:
        print("congrats")

Answer 3

只需在if块之后添加else语句。如果满足条件，它将停止代码，或者继续执行代码的其他部分。

if guess == result:
    print("congrats")
    ### if this condition is met it will print congrats and stop
else:
    guess1 = 0
    while guess1 != result:
        guess1 = int(input("write another answer : "))
        if guess1 == result:
            print("this time you got it")

Answer 4

您可以使用else跳过部分代码

if guess == result:
    print("congrats")
else:
    guess1 = 0
    while guess1 != result:
       guess1 = int(input("write another answer : "))
       if guess1 == result:
           print("this time you got it")

# this line will be executed

或exit()退出脚本

if guess == result:
    print("congrats")
    ### if this condition is met i want to end here
    exit()

guess1 = 0
while guess1 != result:
    guess1 = int(input("write another answer : "))
    if guess1 == result:
        print("this time you got it")

如何在python中结束某个条件？

4 个答案: