2nd Sem

I have few questions regarding my 2nd sem btech if anyone can answer 1.data structures wala subject python based hoga ya C? 2.Back ka paper year end me hota h aur credit pure hi milte h usme pass hone par? 3.Engineering graphics kb introduce hoga as 1st sem me nhi tha 4.Lab work aur projects jyada serious ho jate h kya as 1st sem me to teacher ne aesi hi number de diye the?