1)
Cheat sheet (file name): 

2a)
Answer:
Your python file:

2b)
Answer:
Your python file:

2c)
Answer:
Your python file:

2d)
Answer (one line of python code):

2e)
Answer:
Your python file:

2f)
Answer (one line of python code):

2g)
Answer:
Your python file:

2h)
Answer:
Your python file:

2i)
Answer (1-100):
Answer (101-200):
Answer (201-300):
Your python file:

2j)
Answer (10):
Answer (100):
Answer (1,000):
Answer (1,000,000):
Your python file: