<garvit244>134_1.py
def canCompleteCircuit( gas, cost):
    start, curr_sum, total_sum =0, 0, 0
    for index in range(len(gas)):
        diff = gas[index] - cost[index]
        total_sum += diff
        curr_sum += diff
        
        if curr_sum < 0:
            start = index + 1
            curr_sum = 0
            
    if total_sum >= 0:
        return start
    return -1
def sample_funcname ( var_0 , var_1 ) :
    var_3 , var_4 , var_5 = 0 , 0 , 0
    for var_8 in range ( len ( var_0 ) ) :
        var_9 = var_0 [ var_8 ] - var_1 [ var_8 ]
        var_5 += var_9
        var_4 += var_9
        if var_4 < 0 :
            var_3 = var_8 + 1
            var_4 = 0
    if var_5 >= 0 :
        return var_3
    return - 1
