!pip install jovian --upgrade --quiet

from jovian.pythondsa import evaluate_test_case

import jovian

tests = [{'input': {'cards': [13, 11, 10, 7, 4, 3, 1, 0], 'query': 7}, 'output': 3},
 {'input': {'cards': [13, 11, 10, 7, 4, 3, 1, 0], 'query': 1}, 'output': 6},
 {'input': {'cards': [4, 2, 1, -1], 'query': 4}, 'output': 0},
 {'input': {'cards': [3, -1, -9, -127], 'query': -127}, 'output': 3},
 {'input': {'cards': [6], 'query': 6}, 'output': 0},
 {'input': {'cards': [9, 7, 5, 2, -9], 'query': 4}, 'output': -1},
 {'input': {'cards': [], 'query': 7}, 'output': -1},
 {'input': {'cards': [8, 8, 6, 6, 6, 6, 6, 3, 2, 2, 2, 0, 0, 0], 'query': 3},
  'output': 7},
 {'input': {'cards': [8, 8, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 0, 0, 0],
   'query': 6},
  'output': 2}]

def locate_card(cards, query):
    position = 0
    
    if len(cards) ==  0:
        return -1
    
    while position < len(cards):
        if cards[position] == query:
            return position
        
        position = position + 1
    return -1