in python

Concatenate Strings Write code that concatenates the character strings in stri and str2, separated by a space, and assigns the result to a variable named joined. Assume that both string variables have been initialized. Solve it! Two Letters in Word Given a character string stored in a variable called word, write code that concatenates the fifth character of the word to the third character from the end of the word, and assigns that string to a variable named two_letters. Assume that word already has a value and is at least five characters long. Salve It Set the Number of Cards if Necessary Write code that sets the value of the variable num_cards to seven if its current value is less than seven. Otherwise, don't change the value. Assume that nuncards already has an initial value. Solve It