Python Program to Find Area and Perimeter of a Rectangle
easyInput and operatorsPython
A classic formula program: read two measurements, apply two formulas, print two answers on separate lines.
The question
Read the length and the breadth of a rectangle (integers, one per line). Print its area on one line and its perimeter on the next.
The code
program.py
l = int(input())
b = int(input())
print("Area =", l * b)
print("Perimeter =", 2 * (l + b))Input
30 3
Output
Area = 90 Perimeter = 66
How it works
- 1Read the length l and breadth b as integers.
- 2Area is l × b, written l * b in Python.
- 3Perimeter is 2 × (l + b) — the brackets make Python add before it multiplies.
- 4Each print() starts a new line, so area and perimeter appear on separate lines.
Common mistakes
- Writing 2 * l + b: without brackets only l is doubled, and the perimeter is wrong.
- Using x for multiplication — Python only understands *.
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