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- What is the value of each of the following Boolean expressions? 54 3=3 2+45 6==7 2+4=6 3+4==4+3 1!=2 2!=2 5==72 3+9=0PYTHON PROGRAMMING (practice review for final) (please see attached)Use C++ Write a program that simulates flipping a coin to make decisions. The input is how many decisions are needed, and the output is either heads or tails. Assume the input is a value greater than 0. Ex: If the input is: 3 the output is: heads tails heads For reproducibility needed for auto-grading, seed the program with a value of 2. In a real program, you would seed with the current time. In that case, every program's output would be different, which is what is desired but can't be auto-graded. Note: A common student mistake is to call srand() before each call to rand(). But seeding should only be done once, at the start of the program, after which rand() can be called any number of times. Your program must define and call the following function that returns "heads" or "tails".string HeadsOrTails()
- Because you might want to use a symbolic constant instead of an integer literal in your code.Take an Infix expression from the user and convert into postfix. 1. Should be self-organizing program e.g. If the user enters two operators back to back by mistake. The program should automatically delete one of the 2 operators. 2. If the user doesn't enter a multiplication sign before a bracket, the program should automatically insert a multiplication sign there.Below is a Boolean expression. Write a block of conditional statements (if/elif/else) that will cause the phrase "It works!" to be printed if and only if the Boolean expression evaluates to True. Your code should not use any logical operators (and/or/not), only conditionals and prints (and pass if necessary). You may assume that first, second, third, and fourth are variables which have already been defined as either True or False. (first or not second) and not (third or fourth)
- What is the difference between the statements continue and break?Which of the following statements is/are correct? I. The language L accepts all the strings of a's and b's where the third symbol from left end is b. The regular expression for L is (a + b) b(a + b)*. II. The language L accepts all the strings of a's and b's where the number of a's in a string is divisible by 3. The regular expression for L is (b* ab* ab* ab* )*. III. The regular expression R=(a+b)“ . The number of states required to construct the minimal DFA for the regular expression R is n+2. (A) I and II (B) I and III (C) II and III (D) All are correctWrite a program to check the divisibility of two numbers. Use the concept of default argument here. If the number is not divisible, check whether the first number is a prime or not, using the previously defined divisibility check function.
- Given three int variables that have been given values, areaCode, exchange, and lastFour, write a string expression whose value is the string equivalent of each these variables joined by a single hyphen (-) So if areaCode, exchange, and lastFour, had the values 800, 555, and 1212, the expression's value would be "800-555-1212". Alternatively, if areaCode, exchange, and lastFour, had the values 212, 867 and 5309 the expression's value would be "212-867-5309".Which of the following statements is/are correct? I. The language L accepts all the strings of a's and b’s where the third symbol from left end is b. The regular expression for L is (a + b)² b(a+b)*. II. The language L accepts all the strings of a's and b's where the number of a's in a string is divisible by 3. The regular expression for L is (b* ab* ab*ab*)* . III. The regular expression R =(a+b)" . The number of states required to construct the minimal DFA for the regular expression R is n+2. (A) I and II (B) I and III (С) II and III (D) All are correctIN C++ Input a string of length 10 that contains only digits. Then check whether the digits at the even index in the string are even and the digits at the odd index in the string are odd. Print "True" in the output if the condition is true. Otherwise, print "False" in the output.
