Sort Map by Value

def sort_by_value(dict):
    '''
        
    '''
    
    age_sorted = sorted(dict.items(), key=lambda x:x[1])
   
    #print(age_sorted)
       
    return age_sorted

age = {
        'carl':40,
        'alan':2,
        'bob':1,
        'danny':3
    }

age_sorted = sort_by_value(age)

age_sorted