DEV Community: Ganesh Balaraman

Task 2 - Constants and variables

Ganesh Balaraman — Mon, 15 Jul 2024 10:31:47 +0000

Create a variable named name and assign your name to it. Then print the value of the variable.

name = "ganesh"
print(name)

Create a variable age and assign your age to it. Later, reassign the variable with a new value and print the new value.

age = 36
age = 37
print(age)

Assign the values 5, 10, and 15 to three variables a, b, and c in a single line. Print their values.

a , b , c = 5 , 10 , 15
print(a , b , c)

Swap the values of two variables x and y without using a third variable. Print their values before and after swapping.

x , y = 1 , 2
print(x , y)
x , y = 2, 1
print(x , y )

Define constants PI with appropriate values and print them.

PI = 3.14
print(PI)

Write a program that calculates the area of a circle using the constant PI and a variable radius. Print the area.

PI = 3.14
r = 5
a = pi * r * r
print(a)
79.5

Define constants for the length and width of a rectangle. Calculate and print the area.
Define a constant for π (pi) and a variable for the radius. Calculate and print the circumference of the circle.

LENGTH = 60
WIDTH = 20
a = LENGTH * WIDTH
print(a)
1200

PI = 3.14
r = 8
circumference = 2 * pi * r
circumference = 2 * PI * r
print(circumference)
50.24

Task 1: print exercises

Ganesh Balaraman — Sat, 13 Jul 2024 05:14:15 +0000

How do you print the string “Hello, world!” to the screen?

print("hello" , "world!")

How do you print the value of a variable name which is set to “Syed Jafer” or Your name?

name = "syed Jafer"
print (name)

How do you print the variables name, age, and city with labels “Name:”, “Age:”, and “City:”?

print ( "name:" , name , "age:" , age , "city:" , city )

How do you use an f-string to print name, age, and city in the format “Name: …, Age: …, City: …”?

print(f" name: {name} , age: {age} , city: {city}")

How do you concatenate and print the strings greeting (“Hello”) and target (“world”) with a space between them?

print("hello " + "world")

How do you print three lines of text with the strings “Line1”, “Line2”, and “Line3” on separate lines?

print("line1\nline2\nline3")

How do you print the string He said, "Hello, world!" including the double quotes?

print (' "hello , world!" ')

How do you print the string C:\Users\Name without escaping the backslashes?

print(r"C:\users\name")

How do you print the result of the expression 5 + 3?

print (5+3)

How do you print the strings “Hello” and “world” separated by a hyphen -?

print("hello" , "world" , sep ="-")

How do you print the string “Hello” followed by a space, and then print “world!” on the same line?

print("Hello" + "world!")

How do you print the value of a boolean variable is_active which is set to True?

this = True
print(this)

How do you print the string “Hello ” three times in a row?

print("hello * 3")

How do you print the sentence The temperature is 22.5 degrees Celsius. using the variable temperature?

temperature = 22.5
print("the temperature is " + str(temperature) + " degrees celcius.")

How do you print name, age, and city using the .format() method in the format “Name: …, Age: …, City: …”?

print("name: {} , age:{} , city:{}". format(name,age,city))

first day of python

Ganesh Balaraman — Mon, 08 Jul 2024 14:42:41 +0000

Am from medical background. totally new for computer programming. knows somethings today from kaniyam.com group, i.e, what is python, its some of applications, and i tried to do print also. it works. lovely.