擅长:python、mysql、java
<p>这里有一个解决方案:</p>
<pre><code>varA = input("A : ")
varB = input("B : ")
try: # to avoid errors when converting strings that have non-digits to numbers
varA = float(varA)
varB = float(varB)
if varA > varB:
print("bigger")
elif varA < varB:
print("smaller")
else:
print("equal")
except ValueError: # that means that python couldn't convert one of the variables to a number, which means it's a string
print("string involved")
</code></pre>