10.
if "h" in letter:
#do something
11.
if value >= 13.6:
#do something
12.
if 5 < y < 11:
#do something
13.
if num1 == num2:
print("equal")
14.
num1 = int(input("Enter a number: "))
num2 = int(input("Enter a number: "))
if num1 > num2:
print(num1)
else:
print(num2)
15.
if number == 89 or number == 78:
print("Your number is equal to 89 or 78")
I hope this helps! If you have any other questions, I'll do my best to answer them.