Python Script Notes
print ("this is ibtisam, my sweetheart") # () is mandatory for print function in case of python 3.x
print (2) # print integer
print (2.5) # print float
print (2 * 3 + 7) # arithmetic operation
print ("1 year 1 month and " + str(21) + " days") # string concatenation
print (f"1 year 1 month and {21} days") # f-string
print (f"1 year 1 month and {21 * 1} days")
print("1 year 1 month and {} days".format(21)) # format method
print("1 year 1 month and", 21, "days")