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| -rw-r--r-- | lstsq.rst | 21 | ||||
| -rw-r--r-- | parsing_data.rst | 81 | ||||
| -rw-r--r-- | tuples.rst | 56 |
3 files changed, 156 insertions, 2 deletions
@@ -109,7 +109,6 @@ We get the least square fit of l vs t^2 This brings us to the end of the tutorial. we have learnt - * how to use loadtxt to read files * how to generate a least square fit {{{ Show the "sponsored by FOSSEE" slide }}} @@ -119,4 +118,22 @@ This tutorial was created as a part of FOSSEE project, NME ICT, MHRD India Hope you have enjoyed and found it useful. Thank you - + +Questions +========= + + 1. What does ones_like([1, 2, 3]) produce + + a. array([1, 1, 1]) + #. [1, 1, 1] + #. [1.0, 1.0, 1.0] + #. Error + + 2. What does ones_like([1.2, 3, 4, 5]) produce + + a. [1.2, 3, 4, 5] + #. array([1.0, 1.0, 1.0, 1.0]) + #. array([1, 1, 1, 1]) + #. array([1.2, 3, 4, 5]) + + 3. What is the shape of the diff --git a/parsing_data.rst b/parsing_data.rst index 9a7f85f..17e1d4d 100644 --- a/parsing_data.rst +++ b/parsing_data.rst @@ -204,3 +204,84 @@ This tutorial was created as a part of FOSSEE project, NME ICT, MHRD India Hope you have enjoyed and found it useful. Thank you +Questions +========= + + 1. How do you split the string "Guido;Rossum;Python" to get the words + + Answer: line.split(';') + + 2. line.split() and line.split(' ') are same + + a. True + #. False + + Answer: False + + 3. What is the output of the following code:: + + line = "Hello;;;World;;" + sub_strs = line.split() + print len(sub_strs) + + Answer: 5 + + 4. What is the output of " Hello World ".strip() + + a. "Hello World" + #. "Hello World" + #. " Hello World" + #. "Hello World " + + Answer: "Hello World" + + 5. What does "It is a cold night".strip("It") produce + Hint: Read the documentation of strip + + a. "is a cold night" + #. " is a cold nigh" + #. "It is a cold nigh" + #. "is a cold nigh" + + Answer: " is a cold nigh" + + 6. What does int("20") produce + + a. "20" + #. 20.0 + #. 20 + #. Error + + Answer: 20 + + 7. What does int("20.0") produce + + a. 20 + #. 20.0 + #. Error + #. "20" + + Answer: Error + + 8. What is the value of float(3/2) + + a. 1.0 + #. 1.5 + #. 1 + #. Error + + Answer: 1.0 + + 9. what doess float("3/2") produce + + a. 1.0 + #. 1.5 + #. 1 + #. Error + + Answer: Error + + 10. See if there is a function available in pylab to calculate the mean + Hint: Use tab completion + + @@ -148,3 +148,59 @@ Thankyou Internal Reviewer 1 : Internal Reviewer 2 : External Reviewer : + +Questions +========= + + 1. Define a tuple containing two values. The first being integer 4 and second + is a float 2.5 + + Answer: (4, 2.5) + + 2. If ``a = (5, "Hello", 3.2)``. what is the value of a[2] + + Answer: 3.2 + + 3. If ``a = 5,`` then what is the type of a + + a. int + #. float + #. tuple + #. string + + Answer: tuple + + 4. if ``a = (2, 3)``. What does ``a[0], a[1] = (3, 4)`` produce + + Answer: Error + + 5. If ``a = ([2, 3], 4, 5)``. What is the value of ``a`` after doing + ``a[0].append(6)`` + + a. ([2, 3, 6], 4, 5) + #. Raises an error + #. ([2, 3], 4, 5) + #. [2, 3, 4, 5, 6] + + Answer: ([2, 3, 6], 4, 5) + + 6. What does the following code produce:: + + a = 5 + b = "Hello" + a, b = b, a + print a + print b + + Answer: Hello + 5 + + 7. ``a = ("hello", "world", 5, 6, 8)``. What is the value of a[1:4] + + Answer: ("world", 5, 6) + + 8. ``a = (1, 2, 3, 4, 5, 6, 7, 8)``. What is the value of a[1::3] + + Answer: (2, 5, 8) + + |