Python Fundamentals and Analytics

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Milestone -2

Chapter -5 : Practice Questions & Materials

Positive or Negative numbers

In Python, when we use a numerical data-type converter is used to convert a string to an integer or float, the Python interpreter keeps into account the sign of the number if it is mentioned in the string. Here is a sample line of code that can be executed in Python:

var1 = int("-123")

var2 = int("122")

print(var2<var1)

In the above code, two variables are created (i.e., var1 and var2), and we have used a comparison operator and printed the comparison result to the console. The output of the above code will be "False", as we know that -123<122, and in Python this rule stays true because the sign is not ignored when we use data-type converter.

Task

Write a program that takes a random number (integer/float) N as input, and performs the following operations :

Print "Positive number" if N is greater than zero.

Print "Negative number" if N is less than zero.

Print "It is zero" if N is zero.

Input Format

Single line input, as a random number (integer/float)

Output Format

Single line output, either "Positive number" or "Negative number" or "It is zero"

Sample Input 1

Sample Output 1

Positive number

Sample Input 2

-6

Sample Output 2

Negative number

Sample Input 3

Sample Output 3

It is zero

Even or Odd

Task

Write a program that takes the input of a random integer, and prints if the number is even number or odd number to the console.

Input Format

Single line input of a random integer

Output Format

Single line output of either "Even" or "Odd"

Sample Input 1

Sample Output 1

Even

Sample Input 2

Sample Output 2

Odd

Print the string with the longest length

Task

Write a program that takes two random strings as input and prints out the longest of the input strings with its respective length to the console.

Input Format

The first line contains a random string

The second line contains a random string

Output Format

Single-line output, of the longest string and its length

Sample Input 1

I love coding

I love python

Sample Output 1

I love Python : 13

Sample Input 2

Hi, I am Peter

Sample Output 2

Hi, I am Peter : 14

Print the 2nd largest number out of 3 numbers

Task

Write a program that takes 3 random numbers (integer/float) as input and prints the 2nd largest number to the console.

Input Format

The first line contains a random integer/float

The second line contains a random integer/float

The third line contains a random integer/float

Output Format

Single line output, of a single number (integer/float)

Sample Input 1

Sample Output 1

Sample Input 2

-12

-125

Sample Output 2

-12

Print the Numbers

Task

Write a program that takes the input of a random number N (integer/float), and performs the following operations:

If N is less than or equal to zero, then print "Not in range".

If N is greater than zero, then print all the numbers from 1 to N.

Input Format

Single-line input, as a random number (integer/float)

Output Format

Single line output, either "Not in range" or numbers from 1 to N

Sample Input 1

Sample Output 1

1 2 3 4 5

Sample Input 2

-125

Sample Output 2

Not in range

Read a List

Task

Write a program to read a number N (integer/float), then read the next N input lines, and append them to a list. Print the final list to the console. If the number is less than or equal to zero, then print

Write a program that takes a random number (integer/float) N as input, and performs the following operations :

If N is less than or equal to zero, then print "Value not in range"

Else read the next N lines and append them to a list

Input Format

The first line contains a random number (integer/float)

The next N line contains random strings

Output Format

Single-line output, the final list or "Value not in range"

Sample Input 1 5 1 2 45 14 04

Sample Output 1 ['1', '2', '45', '14', '04']

Read using While Loop

Task

Write a program that reads a value V, and then starts to read further values and adds them to a List until the initial value V is added again. Don't add the first V and last V to the list. Print the list to the console.

Input Format

N numbers of lines input, with a random string

Output Format

Single line output, as a list.

Sample Input 1

56 23 346 457 234 436 689 68 80 25 567 56

Sample Output 1

['23', '346', '457', '234', '436', '689', '68', '80', '25', '567']

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