Simple...
Although we are not allowed to link in websites..(against guidelines) you can search up codeacademy, this is a place to learn to code.
Thus, your answer.
Answer:
strr=input("please enter something: ")
while strr is not "":
print(strr)
strr=input("please enter something: ")
Explanation:
whenever the user will enter an empty string the loop will terminate
Answer:
For "isTriangle", draw a line around the triangles (h and e) and write 'isTriangle' next to that line. You've now grouped the triangles.
Explanation:
Repeat for the other properties. I hope this is more simple than you thought.
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