python编程从入门到实践答案-《Python编程：从入门到实践》第五章 if语句习题答案...

青旅半醒 2022-11-21 14:14 198阅读 0赞

\#5.1

major = 'Software Engineering'

print("Is major =='Software Engineering'? I predict True.")print(major=='Software Engineering')print("Is major =='Software Engineering'? I predict False.")print(major=='Computer Science')\#5.2

print("--------------------------------------")

string\_1='abc'string\_2='abc'string\_3='abcd'

print("Is string\_1==string\_2?")print(string\_1==string\_2)print("Is string\_2==string\_3?")print(string\_2==string\_3)print("--------------------------------------")print("Is string\_1 == string\_1.lower()?")print(string\_1==string\_1.lower())print("--------------------------------------")print("这个部分实在过于简单和麻烦，略过！")print("--------------------------------------")print(True andFalse)print(True andTrue)print(False andFalse)print(True orFalse)print(True orTrue)print(False orFalse)print("--------------------------------------")

mobileInc= \['apple','xiaomi','huawei','oppo','vivo'\]print('apple' inmobileInc)print('coolpad' inmobileInc)print('nokia' not inmobileInc)\#5.3

alien\_color = 'green'

if alien\_color == 'green':print("Great!You got 5 point!")

alien\_color= 'red'

if alien\_color == 'green':print("Great!You got 5 point!")print("------------------------------------")\#5.4

alien\_color = 'green'

if alien\_color == 'green':print("Great!You got 5 point!")else:print("Excellent!You got 10 point!")

alien\_color= 'red'

if alien\_color == 'green':print("Great!You got 5 point!")else:print("Excellent!You got 10 point!")print("-----------------------------------------")\#5.5

alien\_color = 'green'

if alien\_color == 'green':print("Great!You got 5 point!")elif alien\_color == 'yellow':print("Excellent!You got 10 point!")elif alien\_color == 'red':print("Oh,my god!You got 15 point!")

alien\_color= 'yellow'

if alien\_color == 'green':print("Great!You got 5 point!")elif alien\_color == 'yellow':print("Excellent!You got 10 point!")elif alien\_color == 'red':print("Oh,my god!You got 15 point!")

alien\_color= 'red'

if alien\_color == 'green':print("Great!You got 5 point!")elif alien\_color == 'yellow':print("Excellent!You got 10 point!")elif alien\_color == 'red':print("Oh,my god!You got 15 point!")print("-----------------------------------------")\#5.6

age = 33

if age < 2:print("婴儿")elif age>=2 and age<4:print("蹒跚学步")elif age>=4 and age<13:print("儿童")elif age>=13 and age<20:print("青少年")elif age>=20 and age<65:print("成年人")elif age>=65:print("老年人")\#5.7

favourite\_fruits = \['apple','banana','orange'\]if 'apple' infavourite\_fruits:print("You really like apples!")if 'banana' infavourite\_fruits:print("You really like bananas!")if 'orange' infavourite\_fruits:print("You really like orange!")if 'watermalen' infavourite\_fruits:print("You really like watermalen!")if 'grape' infavourite\_fruits:print("You really like grape!")