def a(): print('I am from function a') return 1 x=a()+a() print(x) #### def a(x): #x=1 print('I am from function a',x) return x y=a(1)+a(2) print(y) #### def a(x): #x=[0],x=[2] print('I am from function a',x[0]) return x y=a([0])+a([2]) print(y) #### def b(): print("I am from b") def a(x): #x=b print('I am from function a',x) x() #becos we added this line, x must be a functoin return 1 y=a(b) print(y) #### def b(y,z): print("I am from b", y+z) return y+z def a(x,y,z): #x=b print('I am from function a',x) x(y,z) #becos we added this line, x must be a function return x(y,z) h=a(b,1,2) print(h) #### x=-10 if x>0: print("x is larger than 10") else: print('x is less than 0') x=x+1 #controller #### x=-10 if print("i am in the if condition"): #after if, it is an expression, true or false only print("x is larger than 0") else: print('x is less than 0') x=x+1 #### x=-10 def a(): print("i am from function a") return 1 if a(): print("x is larger than 0") else: print('x is less than 0') x=x+1 #### x=0 def a(y): print("i am from function a") return y if a(x): print("x is larger than 0") else: print('x is less than 0') x=x+1 #### x=90 if x>=90: print("you got A") elif x>80: print('you got B') elif x>70: print('you got C') else: print("D or below") #### x=10 while x>0: print ("x is now", x) x=x-1 if x==5: break else: print("loop complete without break") #### x=8 while x>0: if x==6: #start from 8, skip 6 x=x-1 continue print("x is now",x) x=x-1 if x==3: break else: print("loop complete without break") #### x=1,2,3,4,5 for i in x: print(i**2) #square the i else: #after all for actions, it will go to else action print ("for loop completed") #### x=1,2,3,4,5 for i in x: if i==1: continue if i==3: break print(i**2) else: print ("for loop completed") #### x="12345" #this is a str. for i in x: i=int(i) #change it into int. to run if i==1: continue if i==3: break print(i**3) else: print ("for loop completed")