CPT168 Ch10
The join() method of a list can be used to combine
the items in the list into a string that's separated by delimiters
The isdigit() method of a string returns
true if the string contains only digits
What will be displayed after the following code executes?book_name = "a tale for the knight"book = book_name.title()print(book)
A Tale For The Knight
phone_number = input("Enter phone number: ").strip()2. if len(phone_number) == 10:3. phone_number = "(" + phone_number[:3] + ")" + phone_number[3:6] + "-" + phone_number[6:]4. print("Phone number: ", phone_number)5. else:6. print("Phone number: ", "Phone number must be 10 digits") Refer to Code Example 10-1. If the user enters two extra spaces at the end of a phone number, what will happen?
The length of the number will be greater than 10 so the else clause will execute
Which of the following statements will modify the string that's stored in a variable named s?
You can't modify a string.
To retrieve the fourth character in a string that's stored in a variable named city, you can use this code:
city[3]
Which of the following code snippets will result in this display:Countdown...5...4...3...2...1...Blastoff!
counting = "54321"print("Countdown...")for char in counting:print(char + "...")print("Blastoff!")
To access the first three chracters in a string that's stored in a variable named message, you can use this code:
first_three = message[0:3]
Which of the following will display this result? B=66
print("B = ", ord("B"))
Given the following code, what would display? car = "PORSCHE" color = "red" my_car = car.join(color) print(my_car)
rPORSCHEePORSCHEdPORSCHE
What is the value of the variable named result after this code is executed? email = "marytechknowsolve.com" result = email.find("@")
-1
What is the value of s2 after the code that follows is executed?s1 = "118-45-9271"s2 = ""for i in s1:if i != '-': s2 += is1.replace("-", ".")
118459271
A Unicode character is represented by a
2-digit code
What is the value of the variable named result after this code is executed?email = "joel.murach@com"result = email.find("@") - email.find(".")print(result)
7
Given the following code, what will be displayed after the code executes?name = "Mervin the Magician"words = name.split()print(words[0] + ", you are quite a " + words[2].lower())
Mervin, you are quite a magician
1. phone_number = input("Enter phone number: ").strip()2. if len(phone_number) == 10:3. phone_number = "(" + phone_number[:3] + ")" + phone_number[3:6] + "-" + phone_number[6:]4. print("Phone number: ", phone_number)5. else:6. print("Phone number: ", "Phone number must be 10 digits") Refer to Code Example 10-1. If the user enters 5551234567 at the prompt, what will be displayed?
Phone number: (555)123-4567
phone_number = input("Enter phone number: ").strip()2. if len(phone_number) == 10:3. phone_number = "(" + phone_number[:3] + ")" + phone_number[3:6] + "-" + phone_number[6:]4. print("Phone number: ", phone_number)5. else:6. print("Phone number: ", "Phone number must be 10 digits") Refer to Code Example 10-1. If the user enters two extra spaces at the end of a phone number, what will happen?
The strip() method on line 1 will strip away the extra whitespace.
To determine the length of a string that's in a variable named city, you can use this code.
len(city)
Which of the Python examples tthat follow can not be used to create a string named n2?
numbers = [8, 17, 54, 22, 35] n2 = "".join(numbers)
If word = "a horse", which of the following snippets of Python code will display this result?a horse! a horse! My kingdom for a horse!
print((word+"!") * 2 + "My kingdom for" +word + "!")
What is the value of s3 after the code that follows is executed?s1 = "abc def ghi";s2 = s1[1:5]s3 = s2.replace('b', 'z')print(s3)
zc d