Print Fibonacci series up to n terms Dry Run in PYTHON

Print Fibonacci series up to n terms is an interactive PYTHON dry run visualizer from the For programs section. Study the source code, then use the execution controls to follow each step, variable update, highlighted line, and console output.

This page provides a browser-based dry run with source-code highlighting, auto-scroll, voice narration controls, and execution output for learning the program step by step.

Print Fibonacci series up to n terms Program Code

# Fibonacci series: 0, 1, 1, 2, 3, 5, 8, 13, ...
n = int(input("Enter number of terms: "))

a, b = 0, 1
print(f"Fibonacci series (first {n} terms):")

for i in range(n):
    print(a, end=" ")
    a, b = b, a + b

print()

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