<p>您需要按如下方式编辑代码:</p>
<pre><code>import time
import sys
animal=input("What animal do you want to calculate the age of? - Possible choices: Cat/Dog")
if animal=="Dog"or animal=="dog":
age=int(input("How old is your Dog?"))
if age==1:
print("Calculating the age of the Dog...")
time.sleep(1)
print("The age of the animal is: 11")
elif age==2:
print("Calculating the age of the Dog...")
time.sleep(1)
print("The age of the animal is: 11")
else:
age=age-2
print("Calculating the age of the Dog...")
time.sleep(1)
agecalculation=age*4+22
print("The age of the animal is:",agecalculation)
time.sleep(2)
print("End of program.")
time.sleep(2)
sys.exit()
elif animal=="Cat"or animal == "cat":
age=int(input("How old is your Cat?"))
if age==1:
print("Calculating the age of the Cat...")
time.sleep(1)
print("The age of the animal is: 15")
elif age==2:
print("Calculating the age of the Cat...")
time.sleep(1)
print("The age of the animal is: 25")
else:
age=age-2
print("Calculating the age of the Cat...")
time.sleep(1)
agecalculation=age*4+25
print("The age of the animal is:",agecalculation)
time.sleep(2)
print("End of program.")
time.sleep(2)
sys.exit()
else:
print("That is not an animal, or isn't on the list specified")
animal=input("What animal do you want to calculate the age of? - Possible choices: Cat/Dog")
</code></pre>
<p>当您执行<code>if animal == "Dog" or "dog"</code>时,它将计算if <code>animal == "Dog"</code>,if{<cd3>}。您可以使用<code>animal.lower() == "dog"</code>,或者使用上面编辑过的代码。在</p>