<p>当您有一个调用并返回结果的函数时,您可以将其保存到一个新变量中供以后使用:</p>
<pre><code>newVar = function()
</code></pre>
<p>这意味着在以后的代码中,您可以将其用于其他用途。另外,当您创建一个函数时,您可以定义在函数中使用的变量,这些变量可以在调用函数时传递。对于您的示例,您可能希望传递“username”变量,而不是在有效负载中进行输入。你知道吗</p>
<pre><code>def myFunc(username):
print(username)
myFunc(random_user)
</code></pre>
<p>因为我没有访问你的API的权限,所以我创建了一个修改过的示例,下面有注释,应该以与你得到的回报类似的方式来做事情。如果您在API服务器上发布一个JSON示例,那么拥有一个工作示例就更容易了。你知道吗</p>
<pre><code># Temp DB Dictionary for showing how things work
users = {
"user1": [
{
"pp_country_rank": 100,
"other_data": "random"
}
],
"user2": [
{
"pp_country_rank": 95,
"other_data": "more-random"
}
],
}
# Defining the function. This can be used over and over.
# In this case there will be a variable created in the
# function called "username". If this isn't passed to the
# function when you call it then it will be set to user1.
# If you do set it, whatever you set it to when you call
# the function will overwrite the default.
def getRank(username="user1"):
# payload = {'k': 'myapi', 'u': username}
# r = requests.get('https://osu.ppy.sh/api/get_user', params=payload)
# Since we created the username variable I can past
# it to whatever I am calling.
r = users[username]
#player = r.json()[0]
player = r[0]
# The return here returns the result that gets stored in
# the variable.
return (player["pp_country_rank"])
print("Enter first username")
# We are calling the input before passing the result to the
# function
user1 = input()
# We are creating a new variable that will store the result of
# the function getRank(). We pass the stored input of user1 to
# the functuon. In the function that data will be available as
# the variable "username"
user1_rank = getRank(user1)
# There are different ways of formatting and using variables in
# the print. This is one way and where the %s is it will be
# replaced in order with the variables at the end.
print("%s rank is %s" % (user1, user1_rank))
# We get the second username again storing the input in user2
print('Enter a second Username')
user2 = input()
# We call the same function getRank() but this time we pass the
# data from user2 instead of user1.
user2_rank = getRank(user2)
print("%s rank is %s" % (user2, user2_rank))
# Here we are doing the diff between the two ranks. If you do not
# use abs() then you would have to figure out which rank was bigger
# before doing the substraction to avoid a negative number. This
# way you will also have a positive diff.
rankDiff = abs(user1_rank - user2_rank)
print("The difference in ranks is %s" % rankDiff)
</code></pre>