Chapter-2

1. math.ceil(65.65)      :   66
   math.fabs(-67.58)     :   67.58
   math.exp(2.7)         :   14.8797
   math.log10(1000)      :   3.0
   math.sqrt(121)        :   11.0
   math.degree(math.pi/2):   90.0
   math.ceil(65.47)      :   66
   math.fabs(3)          :   3.0
   math.log(45,2)        :   5.491
   math.pow(4,1/2)       :   2.0
   math.radians(30)      :   0.5235
2. Value of x can lie between [5,6)
3. abs(-5.4)             :   5.4
   abs(15)               :   15
   chr(72)               :   'H'
   round(-24.9)          :   -25
   float(57)             :   57.0
   complex('1+2j')       :   (1+2j)
   divmod(5,2)           :   (2,1) (divmod(x,y) returns (x//y,x%y))
   float(57)             :   57.0
   pow(9,2)              :   81
   max(97, 88, 60)       :   97
   min(55, 29, 99)       :   29
   max('a', 'b', 'AB')   :   'b'
4. a) def pattern1():
        print("\t\t*")
        print("\t*\t*\t*)
        print("*\t*\t*\t*\t*")
        print("\t*\t*\t*")
        print("\t\t*")
   b) def pattern2():
        print("$ $ $ $ $")
        print("$       $")
        print("$       $")
        print("$       $")
        print("$ $ $ $ $")
5. a) nMultiple(5)        :   5
      nMultiple(5,6)      :   30
      nMultiple(num=7)    :   0
      nMultiple(num=6,a=5):   30
      nmultiple(5,num=6)  :   30
6. a) a= 8
      b= 5
   b) None
7. import math
   def areaTriangle(side1,side2,side3):
      s=(side1+side2+side3)/2
      d=s*(s-side1)*(s-side2)*(s-side3)
      a=math.sqrt(d)
      return a
   def main():
      side1=eval(input("Enter first side of triangle"))
      side2=eval(input("Enter second side of triangle")
      side3=eval(input("Enter third side of triangle"))
      assert ((side1+side2)>side3) or ((side1+side3)>side2) or ((side2+side3)>side1)
      ans=areaTriangle(side1,side2,side3)
      print("Area: ",ans)
   main()