Error line 29 'int' can not be called, please help me fix this

Question

strA = 'Hello world'
age = input()
name = input()
andress = input()
strF = f'{age}'
strB = f"My name is {name}"
strC = strA + '\n' + strB + '\n'
print(strC*2)
d = r'I am a \new student'
print(d)
f = len(strA)-1
h = strB[10 : None]
j = strB[None : 7]
g = strA[f]
strD = "what is your name again ?\n"
print(strD + j + ' :' + h)
print('and',strD[None:-14:1]+'s')
z = len(strD[None:-14])
k = strD[z+1]
print (k)
print (f('i am now {strF}'))

Answer 1

print(f"I am now {strF}")

Answer 2

Age : 13
Name : lmao
Andress : 23 Hollywood