What will this code output?

for i in range(1, 4):

if i == 4:

break

print(i)

The following while loop should continue to run as long as the user does not enter a negative number. What condition should be used to achieve this behavior?

x = int(input("Enter an integer: "))

while ____________ :

   x = int(input("Enter an integer: "))

What is the output of len('Python@3')?

What is the output of:

x = -1

if x > 3:

print('Yes')

else:

print('No')

What will be the result of this code?

s = 'python'

print(s[:2])

How to extract a substring from 'Hello World' to get 'Hello'?

Which function converts a string to an float?

What is the output of print('Hello' + 'World!')?

The following program is supposed to count how many even numbers are entered by the user. What line of code must be inserted in the blank so that the program will achieve this goal?

evens = 0

inputStr = input("Enter a value: ")

____________________

   value = int(inputStr)

   if value % 2 == 0:

      evens = evens + 1

   inputStr = input("Enter a value: ")

Ask the user to enter a positive even integer n, then compute the following expression. Display an error message if n is not positive or not even. Print the result rounded to four decimal places.

A sample execution is shown below.