PCEP Practice 1

What is the correct way to declare a variable in Python?

• `int x = 10`

• `x = 10`

• `declare x = 10`

• `var x = 10`

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

• `tuple`

• `list`

• `str`

• `int`

What will be the output of the following code snippet? ```python x = 5 y = 10 print(x + y) ```

• `15`

• `510`

• `5 + 10`

• `Error`

Which of the following is a correct `if` statement in Python?

• `if x = 5:`

• `if (x == 5)`

• `if x == 5:`

• `if x = 5 then`

What is the output of the following code? ```python for i in range(3): print(i) ```

• `0 1 2`

• `1 2 3`

• `0 1 2 3`

• `3 2 1`

Which keyword is used to define a function in Python?

• `func`

• `define`

• `def`

• `function`

What will be the output of the following code? ```python def add(a, b): return a + b print(add(2, 3)) ```

• `5`

• `23`

• `2 + 3`

• `Error`

Which of the following is a correct way to import a module in Python?

• `import math`

• `include math`

• `using math`

• `require math`

What is the correct way to open a file for reading in Python?

• `open('file.txt', 'r')`

• `open('file.txt', 'w')`

• `open('file.txt', 'a')`

• `open('file.txt', 'x')`

Which method is used to read the entire content of a file as a string?

• `readline()`

• `read()`

• `readlines()`

• `readfile()`