
first_name="raj"
last_name="gautam"

full_name=first_name+" "+last_name
print(full_name) # concatination for first name and last name 

print(first_name+3) # concatination error strig is not to concatinate to inter number
print(first_name+str(3)) #No error 
first_name="raj"
print(first_name+" 5") #No Error

print(first_name*3) #No error but multiplying by 3 