Python String Test – 4

1. To check whether string s1 contains another string s2, use ________

2. To return the length of string s what command do we execute?

3. What function do you use to read a string?

4. If a class defines the __str__(self) method, for an object obj for the class, you can use which command to invoke the __str__ method.

5. Suppose x is 345.3546, what is format(x, "10.3f") (_ indicates space).

6. Suppose i is 5 and j is 4, i + j is same as ________

7. What will be the output of the following Python code?

class Count:
    def __init__(self, count = 0):
       self.__count = count

c1 = Count(2)
c2 = Count(2)
print(id(c1) == id(c2), end = " ")

s1 = "Good"
s2 = "Good"
print(id(s1) == id(s2))

8. What will be the output of the following Python code?

class Name:
    def __init__(self, firstName, mi, lastName):
        self.firstName = firstName
        self.mi = mi
        self.lastName = lastName

firstName = "John"
name = Name(firstName, 'F', "Smith")
firstName = "Peter"
name.lastName = "Pan"
print(name.firstName, name.lastName)

9. To retrieve the character at index 3 from string s="Hello" what command do we execute (multiple answers allowed)?

10. What is "Hello".replace("l", "e")?