Three Days and a Child (1969)

Eli (Oded Kotler) is an Israeli college student who is asked by his former flame Noa (Judith Soleh) to take care of her three-year-old son Zvi (Illy Gorlitzky). He is not sure if he is the father of Zvi's son, and he develops a love/hate relationship towards the boy. Eli leaves the boy in several perilous situations before rescuing him from all but a snake who bites the boy while he is asleep.