Get one value from dictionary in python.?

I'm writing an English to Spanish dictionary in python. I have the user input what they want translated and the my program reads a file I created and print the Spanish equivalent of the word. Currently it just print the whole dictionary. This is probably easy but I am new to this and can't seem to figure it... show more I'm writing an English to Spanish dictionary in python. I have the user input what they want translated and the my program reads a file I created and print the Spanish equivalent of the word. Currently it just print the whole dictionary. This is probably easy but I am new to this and can't seem to figure it out. Thanks
Code
# coding: utf-8
s=(input("please enter a word to be translated: "))
file=open("dictionary.txt")
engtospa={}
for s in file:
aList=s.split()
aList.sort
b=aList[1:]
engtospa[s]=aList[1:]
print(engtospa[s])