def c(): return 1 def a(x,y,z): # @1.5 x=1, y=2, z=3 print(x,y,z) a(1,2,3) def b(x,y,z=c()): print(x,y,z) b(1,2,3) b(1,2) def c(d,e): return d+e def a(x,y,z): # @1.5 x=1, y=2, z=3 print(x,y,z) a(1,2,3) def b(x,y,z=c(5,7)): print(x,y,z) b(1,2,3) b(1,2) def h(): print("I am from function h") def c(d,e): e() return d def a(x,y,z): # @1.5 x=1, y=2, z=3 print(x,y,z) a(1,2,3) def b(x,y,z=c(5,h)): print(x,y,z) b(1,2,3) b(1,2) def h(): print("I am from function h") return 10 def c(d,e): return d + e() return d def a(x,y,z): # @1.5 x=1, y=2, z=3 print(x,y,z) a(1,2,3) def b(x,y,z=c(5,h)+c(7,h)): print(x,y,z) b(1,2,3) b(1,2)