Can you use Python for Arduino?

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Last Answer : 5volts is enough to supply the Arduino.

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Description : What will be the output of the following Python code? >>> a={4,5,6}>>> b={2,8,6}>>> a+b a) {4,5,6,2,8} b) {4,5,6,2,8,6} c) Error as unsupported operand type for sets d) Error as the duplicate item 6 is present in both sets

Last Answer : Answer: c Explanation: Execute in python shell to verify.

Description : What will be the output of the following Python code? nums = set([1,1,2,3,3,3,4,4])print(len(nums)) a) 7 b) Error, invalid syntax for formation of set c) 4 d) 8

Last Answer : Answer: c Explanation: A set doesn’t have duplicate items.

Description : What will be the output of the following Python code? >>>t = (1, 2, 4, 3, 8, 9) >>>[t[i] for i in range(0, len(t), 2)] a) [2, 3, 9] b) [1, 2, 4, 3, 8, 9] c) [1, 4, 8] d) (1, 4, 8)

Last Answer : Answer: c Explanation: Execute in the shell to verify.

Description : Which of the following is true for variable names in Python? a) unlimited length b) all private members must have leading and trailing underscores c) underscore and ampersand are the only two special characters allowed d) none of the mentioned

Last Answer : Answer: a Explanation: Variable names can be of any length.

Description : What will be the output of the following Python code? >>> a={5,4}>>> b={1,2,4,5}>>> a

Last Answer : Answer: b Explanation: a

Description : What will be the output of the following Python code? >>>t = (1, 2) >>>2 * t a) (1, 2, 1, 2) b) [1, 2, 1, 2] c) (1, 1, 2, 2) d) [1, 1, 2, 2]

Last Answer : Answer: a Explanation: * operator concatenates tuple.

Description : What will be the output of the following Python code? d = {"john":40, "peter":45} d["john"] a) 40 b) 45 c) “john” d) “peter”

Last Answer : Answer: a Explanation: Execute in the shell to verify.

Description : What will be the output of the following Python code? >>>t=(1,2,4,3) >>>t[1:-1] a) (1, 2) b) (1, 2, 4) c) (2, 4) d) (2, 4, 3)

Last Answer : Answer: c Explanation: Slicing in tuples takes place just as it does in strings.

Description : What will be the output of the following Python code? >>>t=(1,2,4,3) >>>t[1:3] a) (1, 2) b) (1, 2, 4) c) (2, 4) d) (2, 4, 3)

Last Answer : Answer: c Explanation: Slicing in tuples takes place just as it does in strings.

Description : Which of the following is a Python tuple? a) [1, 2, 3] b) (1, 2, 3) c) {1, 2, 3} d) {}

Last Answer : Answer: b Explanation: Tuples are represented with round brackets.

Description : What will be the output of the following Python code snippet? d1 = {"john":40, "peter":45} d2 = {"john":466, "peter":45} d1 > d2 a) True b) False c) Error d) None

Last Answer : Answer: c Explanation: Arithmetic > operator cannot be used with dictionaries.

Description : What will be the output of the following Python code snippet? d1 = {"john":40, "peter":45} d2 = {"john":466, "peter":45} d1 == d2 a) True b) False c) None d) Error

Last Answer : Answer: b Explanation: If d2 was initialized as d2 = d1 the answer would be true.

Description : What will be the output of the following Python code snippet? d = {"john":40, "peter":45} "john" in d a) True b) False c) None d) Error

Last Answer : Answer: a Explanation: In can be used to check if the key is int dictionary.

Description : What will be the output of the following Python code snippet? d = {"john":40, "peter":45} a) “john”, 40, 45, and “peter” b) “john” and “peter” c) 40 and 45 d) d = (40:”john”, 45:”peter”)

Last Answer : Answer: b Explanation: Dictionaries appear in the form of keys and values.

Description : All keywords in Python are in _________ a) lower case b) UPPER CASE c) Capitalized d) None of the mentioned

Last Answer : Answer: d Explanation: True, False and None are capitalized while the others are in lower case.

Description : Is Python case sensitive when dealing with identifiers? a) yes b) no c) machine dependent d) none of the mentioned

Last Answer : Answer: a Explanation: Case is always significant.

Description : What are the two basic functions needed to code in Arduino and what are they used for?

Last Answer : The setup() function, which is called once when a program (sketch) starts. It is used to initialize variables, pin modes and libraries. The loop() function, which runs continuously after the code starts. ... as the blink of a light, the activation of a servomotor or the reading of a sensor value.

Description : How does the Arduino connect to the computer?

Last Answer : The Arduino board connects to the computer via a USB port from the computer to a USB port on the Arduino board.

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