Introduction
In this Chapter, you will learn about Python syntax. Python programming language is similar to C and C++. Python is not exactly similar but the concept is same and syntax of Python is little different from C and C++.
Now, we execute our program in an interactive mode. It is very simple, just type your Python statement and press Enter. Here, we print a message on the screen “c# corner”, we print the message, using print() function.
Syntax of print () function
print(value, ..., sep=' ', end='\n', file=sys.stdout, flush=False)
It prints the values to a stream or to sys.stdout by default.
Optional keyword arguments are,
- file a file-like object (stream); defaults to the current sys.stdout.
- sep string inserted between the values, default is a space.
- End string appended after the last value, default is a newline.
- Flush whether to forcibly flush the stream or not.
Print(“c# corner”) on stream(screen) in an interactive mode, as shown in the picture , given below.
Python first program
To write our first Python program, we just do addition of two numbers in Python by following the steps, given below-
Step 1
Open Python IDLE Python 3.5.1
Press (Ctrl+N) and new file opens.
File is ready and now we have written our program in this file.
Step 2
Python code is written below.
- a=3
- b=5
- c=a+b
- print("sum of a & b is:",c)
Step 3
Save and run the program.
Press (Ctrl+Shift+S) to save our program on the location.
Click save button...
Step 4
Run the program and check the output. Press F5 to run the program.
Summary
In this article, you learnt about Python syntax, how to write a program and how to run it.