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cla 1. (15 points) Describe the string pattern denoted by the below regular expressions. Example, m+n...
Preliminaries For this lab you will be working with regular expressions in Python. Various functions for...
Preliminaries For this lab you will be working with regular expressions in Python. Various functions for working with regular expressions are available in the re module. Fortunately, Python makes it pretty easy to check if a string matches a particular pattern. At the top of the file we must import the re module: import re Then we can use the search() function to test whether a string matches a pattern. In the example below, the regular expression has been saved...
please Answer the following regular expressions questions(also do number 9) Q4 Choose the pattern that finds...
please Answer the following regular expressions questions(also do number 9) Q4 Choose the pattern that finds all filenames in which the first letters of the filename are astA, followed by a digit, followed by the file extension .txt. 1) astA[[:digit:]]\.txt 2) astA[[0-9]].txt 3) astA.\.txt 4) astA[[:digit:]].txt Q5 What's the difference between [0-z]+ and \w+ ? 1) The first one accepts 0 and z and the other doesn't. 2) The first one doesn't allow for uppercase letters. 3) The first one...
Question 17 (1 point) Consider the standing wave pattern below created by a string fixed at...
Question 17 (1 point) Consider the standing wave pattern below created by a string fixed at both ends. The string is under a tension of 0.98 N and has a mass of 2.0 grams. What is the frequency of the standing wave? y (m) =>*(m) o 1.0 2.0 3.0 O 1.2 Hz O 38 Hz O 78 Hz O 0.60 Hz O 19 Hz Question 18 (1 point) The below positively charged particle passes through a region containing uniform electric...
3 points) Question Three Consider the context-free grammar S >SS+1 SS 1a and the string aa...
3 points) Question Three Consider the context-free grammar S >SS+1 SS 1a and the string aa Give a leftmost derivation for the string. 3 points) (4 poiots) (5 points) (3 points) sECTION IWOLAttcmpt.any 3.(or 2) questions from this.scction Suppose we have two tokens: (1) the keyword if, and (2) id-entifiers, which are strings of letters other than if. Show the DFA for these tokens. Give a nightmost derivation for the string. Give a parse tree for the string i) Is...
10-15 pls 010 10.0 points A sinusoidal transverse wave travels along a wire of linear density...
10-15 pls
010 10.0 points A sinusoidal transverse wave travels along a wire of linear density 8.34 g/m. The wave has amplitude 1.2 cm, frequency 132 Hz and wavelength 3.07 m What is the tension of the wire? Answer in units of N 011 (part 1 of 2) 10.0 points A standing wave is formed on a string that is 32 m long, has a mass per unit length 0.00512 kg/m, and is stretched to a tension of 18 N...
8. [10 points) Consider the following algorithm procedure Algorithm(: integer, n: positive integer; 81,...a s integers with vhilei<r print (l, r, mı, arn, 》 if z > am then 1:= m + 1 if za...
8. [10 points) Consider the following algorithm procedure Algorithm(: integer, n: positive integer; 81,...a s integers with vhilei<r print (l, r, mı, arn, 》 if z > am then 1:= m + 1 if za then anstwer-1 return answer 18 and the (a) Assume that this algorithm receives as input the numbersz-32 and corresponding sequence of integers 2 | 3 1 1 4151617| 8| 9 | 10 İ 11 İ 12 | 13 | 14|15 | 16 | 17 |...
N C B OM FAB A у Given the above diagram, where points A-(0.3.0)m. B-1-25.0.1) m...
N C B OM FAB A у Given the above diagram, where points A-(0.3.0)m. B-1-25.0.1) m and C-(1.5.0.5) m and the magnitude of Fau - 560 N determine the following: The x component of the unit vector was Please calculate this answer in metres and report to three significant figures. Do not include the unit ("m") or the unit vector within your answer (for example, if you calculate 2.345 metres please input only 2.35). Answer: The y component of the...
0/2 points 1 Previous Answers SerCP9 15.P028 M Three charges are at the corners of an...
0/2 points 1 Previous Answers SerCP9 15.P028 M Three charges are at the corners of an equilateral triangle, as shown in the figure below Caloulate the electric field at a point midway between the two charges on the x-axis. (Let 1-8.00 JC, 2-5.00 HC, and 93--7,00 uc 19019 magnitude Your response differs significantly from the correct answer, Rework your solution from the beginning and check each step carefully. N/c direction 43 eck your alculationse below the +x-axis Your response dimers...
Vankin’s Mile is a solitaire game played on an n x m grid. using assebly language...
Vankin’s Mile is a solitaire game played on an
n x m grid. using assebly language
Vankin's Mile is a solitaire game played on an n x m grid. The player starts by placing a token on any square of the grid. Then on each turn, the player moves the token either one square to the right or one square down. The game ends when player moves the token off the edge of the board. Each square of the grid...
please help and answer all ASAP please thank you so much Question 49 (1 point) When...
please help and answer all ASAP please thank you so much
Question 49 (1 point) When light travelling in glass enters glass with a higher index of refraction, the wave will be: a) partially transmitted with a change in phase b) transmitted forming a standing wave pattern in air c) reflected so as to form a node at the junction d) totally reflected at the junction e) partially reflected without a change in phase Question 38 (1 point) The charge,...
Question 17 (1 point) Consider the standing wave pattern below created by a string fixed at both ends. The string is under a tension of 0.98 N and has a mass of 2.0 grams. What is the frequency of the standing wave? y (m) =>*(m) o 1.0 2.0 3.0 O 1.2 Hz O 38 Hz O 78 Hz O 0.60 Hz O 19 Hz Question 18 (1 point) The below positively charged particle passes through a region containing uniform electric...
3 points) Question Three Consider the context-free grammar S >SS+1 SS 1a and the string aa Give a leftmost derivation for the string. 3 points) (4 poiots) (5 points) (3 points) sECTION IWOLAttcmpt.any 3.(or 2) questions from this.scction Suppose we have two tokens: (1) the keyword if, and (2) id-entifiers, which are strings of letters other than if. Show the DFA for these tokens. Give a nightmost derivation for the string. Give a parse tree for the string i) Is...
10-15 pls
010 10.0 points A sinusoidal transverse wave travels along a wire of linear density 8.34 g/m. The wave has amplitude 1.2 cm, frequency 132 Hz and wavelength 3.07 m What is the tension of the wire? Answer in units of N 011 (part 1 of 2) 10.0 points A standing wave is formed on a string that is 32 m long, has a mass per unit length 0.00512 kg/m, and is stretched to a tension of 18 N...
8. [10 points) Consider the following algorithm procedure Algorithm(: integer, n: positive integer; 81,...a s integers with vhilei<r print (l, r, mı, arn, 》 if z > am then 1:= m + 1 if za then anstwer-1 return answer 18 and the (a) Assume that this algorithm receives as input the numbersz-32 and corresponding sequence of integers 2 | 3 1 1 4151617| 8| 9 | 10 İ 11 İ 12 | 13 | 14|15 | 16 | 17 |...
N C B OM FAB A у Given the above diagram, where points A-(0.3.0)m. B-1-25.0.1) m and C-(1.5.0.5) m and the magnitude of Fau - 560 N determine the following: The x component of the unit vector was Please calculate this answer in metres and report to three significant figures. Do not include the unit ("m") or the unit vector within your answer (for example, if you calculate 2.345 metres please input only 2.35). Answer: The y component of the...
0/2 points 1 Previous Answers SerCP9 15.P028 M Three charges are at the corners of an equilateral triangle, as shown in the figure below Caloulate the electric field at a point midway between the two charges on the x-axis. (Let 1-8.00 JC, 2-5.00 HC, and 93--7,00 uc 19019 magnitude Your response differs significantly from the correct answer, Rework your solution from the beginning and check each step carefully. N/c direction 43 eck your alculationse below the +x-axis Your response dimers...
Vankin’s Mile is a solitaire game played on an
n x m grid. using assebly language
Vankin's Mile is a solitaire game played on an n x m grid. The player starts by placing a token on any square of the grid. Then on each turn, the player moves the token either one square to the right or one square down. The game ends when player moves the token off the edge of the board. Each square of the grid...
please help and answer all ASAP please thank you so much
Question 49 (1 point) When light travelling in glass enters glass with a higher index of refraction, the wave will be: a) partially transmitted with a change in phase b) transmitted forming a standing wave pattern in air c) reflected so as to form a node at the junction d) totally reflected at the junction e) partially reflected without a change in phase Question 38 (1 point) The charge,...
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