我无法弄清楚如果该代码为false，如何使此代码不打印值

Question

qv2 = input("Is there a second variable? (Type 'yes' or 'no'): ").lower()   
# this is the control question
var2 = input("What is the second variable? ")
exp2 = int(eval(input("What is the second variables exponent? ")))
k = var2                                                                  
i = exp2
varexp1 = (("({}{})").format(k, i))
# and if they say no i dont want var2 or exp2 to print              
if qv2 == 'no':
    print("No second variable.")                                          

###我如何不打印var2和exp3？     其他：         打印（varexp1）