Under what circumstances would von use a while statement rather than for?

859

---

What is the purpose of the pythonpath environment variable?

981

---

How many data types are there in python?

968

---

Explain the use of with statement?

837

---

Why and when do you use generators in python?

924

---

How to save an image when you know the url?

817

---

Draw a comparison between the range and xrange in python?

885

---

How to display the contents of the text file in reverse order?

953

---

What is python? What do you understand of pep 8?

905

---

What do you think is the output of the following code fragment?

906

---

Does python have a-main() method?

963

---

How to save an image locally using python whose url address I already know?

943

---

What is the purpose of “end” in python?

960

---

When would you use triple quotes as a delimiter?

947

---

How will you distinguish between numpy and scipy?

959

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