要求：
Complete the bodies of the?if-else?statements in the?for?loop:?if?the key is in the dictionary?langs_count, add?1?to its current value,?else?add the key to?langs_count?and set its value to?1. Use the loop variable?entry?in your code.
# If the language is in langs_count, add 1
? ? if entry in langs_count.keys():
? ? ? ? langs_count[entry] += 1
? ? # Else add the language to langs_count, set the value to 1
? ? else:
? ? ? ? langs_count[entry] = 1
