Fast I/O for Competitive Programming in Python

import io, os, time
import sys
# Function to take normal input 
def normal_io(): 
    # Stores the start time 
    start = time.perf_counter()
    
    # Take Input 
    s = input().strip()
    
    # Stores the end time 
    end = time.perf_counter()
    
    # Print the time taken 
    print("\nTime taken in Normal I / O:", end - start)
# Function for Fast Input 
def fast_io(): 
    # Reinitialize the Input function to take input from the Byte Like objects
    input_buffer = io.BytesIO(sys.stdin.buffer.readline())
    
    # Fast Input / Output 
    start = time.perf_counter()
    
    # Taking input as string
    s = map(int, input_buffer.read().decode().split()) 
    
    # Stores the end time 
    end = time.perf_counter()
    
    # Print the time taken 
    print("\nTime taken in Fast I / O:", end - start)
# Driver Code 
if __name__ == "__main__": 
    # Function Call
    normal_io()
    fast_io()

# Python program to illustrate the use
# of fast Input / Output
import time, sys
# Function to take normal input
def normal_out():
  
      # Stores the start time
    start = time.perf_counter()
    # Output Integer
    n = 5
    print(n)
    # Output String
    s = "GeeksforGeeks"
    print(s)
    # Output List
    arr = [1, 2, 3, 4]
    print(*arr)
      # Stores the end time
    end = time.perf_counter()
    
    # Print the time taken
    print("\nTime taken in Normal Output:", \
                      end - start)
# Function for Fast Output
def fast_out():
    start = time.perf_counter()
    # Output Integer
    n = 5
    sys.stdout.write(str(n)+"\n")
    # Output String
    s = "GeeksforGeeks\n"
    sys.stdout.write(s)
    # Output Array
    arr = [1, 2, 3, 4]
    sys.stdout.write(
        " ".join(map(str, arr)) + "\n"
    )
        
    # Stores the end time
    end = time.perf_counter()
    
    # Print the time taken
    print("\nTime taken in Fast Output:", \
                      end - start)
# Driver Code
if __name__ == "__main__":
    # Function Call
    normal_out()
    
    fast_out()