Python Variables & Data Types

Which data type is used to store a sequence of characters in Python?

What data type will the variable x have after the following code runs?
x = 10 + 5.5

Variable names in Python are always case-sensitive:

Python has no command for declaring a variable. A variable is created the moment you first assign a value to it:

Can you declare a variable in Python without assigning any value?

What will be the output of the following code?
x = “10”
y = 5
print(x + y)

Which of the following is a mutable data type in Python?

What will be the output of the following code?
x = 5
print(type(x))

Which of the following is the correct way to declare a variable in Python?

What will be the output of the following code?
a = 10.5
print(type(a))