Voice search Wikipedia using Python

# Python package supporting common text-to-speech engines
import pyttsx3

# For understanding speech
import speech_recognition as sr

# For fetching the answers 
# to computational queries
import wolframalpha

# for fetching wikipedia articles
import wikipedia


# Function to search the query
# that is either entered or spoken
# by user
def search(query):
    
    # try is used for searching with wolframAlpha
    try:
        
        # Generate your App ID from WolframAlpha 
        app_id = "Your WolframAlpha App ID here"
        client = wolframalpha.Client(app_id)
        res = client.query(query)
        answer = next(res.results).text
        print(answer)
        SpeakText("Your answer is " + answer)
        
    # If the query cannot be searched using 
    # WolframAlpha then it is searched in
    # wikipedia
    except:
        
        query = query.split(' ') 
        query = " ".join(query[0:])
        
        SpeakText("I am searching for " + query)
        print(wikipedia.summary(query, sentences = 3))
        SpeakText(wikipedia.summary(query, 
                                      sentences = 3))
       
    
# Function to convert text to 
# speech 
def SpeakText(command): 
      
    # Initialize the engine 
    engine = pyttsx3.init() 
    engine.say(command)  
    engine.runAndWait()

    
# Driver's code
# input query from the user by 
# typing or by voice
query = input()
query = query.lower()

# if query is blank then user 
# is prompted to speak something.
if query == '': 
    r = sr.Recognizer()

    # uses the default microphone
    # as the source to record voice
    with sr.Microphone() as source:  
        print("Say Something ")

        # reduces the background disturbances
        # and noise for 2 seconds
        r.adjust_for_ambient_noise(source, 2)  
        
        # listening to source
        audio = r.listen(source)  
    try:
        speech = r.recognize_google(audio)
        search(speech)

    # Handling Exceptions if speech 
    # is not understood.
    except sr.UnknownValueError:
        print("Google Speech Recognition could not \
        understand audio")

    # Couldn't handle requests, occurs 
    # mainly because of network errors
    except sr.RequestError as e:  
        print("Could not request results from Google \
        Speech Recognition service;{0}".format(e))
else:
    search(query)