Python working

Run.py

def volCy():
  r = int(input("Radius: "))
  h = int(input("Height: "))
  V = 3.1415*(r**2)*h
  print("The volume is ",V)

def surSp():
  r = int(input("Radius: "))
  A = 3.1415*4*(r**2)
  print("The surface area is ",A)

def pyth():
  a = int(input("The opposite side is "))
  b = int(input("The adjacent side is "))
  c = (a**2 + b**2)**0.5
  print("The hypotenuse of the triangle by Pythagoras theorem is ", c)

def mid():
  a = (int(input("Enter abscica of point 1: ")), int(input("Enter ordinate of point 2: ")))
  b = (int(input("Enter abscica of point 2: ")), int(input("Enter ordinate of point 2: ")))
  m = ((a[0]+b[0])/2, (a[1]+b[1])/2)
  print("The midpoint is ",m)

def heron():
  a = int(input("Side a of triangle: "))
  b = int(input("Side b of triangle: "))
  c = int(input("Side c of triangle: "))
  s = (a + b + c)/2
  A = (s*(s-a)*(s-b)*(s-c))**0.5
  print("The area of the triangle is: ",A)
  
def printLarge():
  a = int(input())
  b = int(input())
  c = int(input())
  if a >= b:
    if a >= c:
      print(a)
    else:
      print(c)
  else:
    if a >= c:
      print(b)
    else:
      print(c)

def rootQuad():
  a = int(input())
  b = int(input())  
  c = int(input())
  d = b**2 - 4*a*c
  if d < 0:
    print("No real roots")
  elif d == 0:
    x = -b/(2*a)
    print("One real root:",x)
  else:
    x1 = (d-b)/(2*a)
    x2 = -(b+d)/(2*a)
    print("Two real roots:",x1,x2)

def isMult():
  a = int(input())
  b = int(input())
  if a % b == 0:
    print(a,"is a multiple of",b)
  else:
    print("Not a multiple")

def factorial():
  n = int(input())
  fa = 1
  while n > 0:
    fa *= n
    n -= 1
  print(fa)

def fibSeries():
  n = int(input())
  a = 1
  b = 1
  for n in range(n+1):
    if n == 0:
      print(1)
    else:
      c = b
      b += a
      a = c
      print(a)

def revNum():
  n = int(input())
  r = 0
  while n != 0:
    r += n % 10
    n //= 10
  print(r)

def gcd():
  a = int(input())
  b = int(input())
  if a < b:
    (a,b) = (b,a)
  while a%b != 0:
    (a,b) = (b,a%b)
  print(b)

def rev():
  n = int(input())
  r = 0
  while n != 0:
    r *= 10
    r += n%10
    n //= 10
  print(r)

def smallSer():
  print("Input 0 to exit")
  n = int(input())
  s = n
  while n != 0:
    if s > n:
      s = n
    n = int(input())
  print(s)