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編寫一個(gè) Python 程序,使用交換大小寫、For 循環(huán)、while 循環(huán)和 ASCII 在字符串中切換字符大小寫。
這個(gè) python 程序允許用戶輸入一個(gè)字符串。接下來,我們使用 swapcace 字符串函數(shù)將字符串中的小寫字符轉(zhuǎn)換為大寫,大寫字符轉(zhuǎn)換為小寫。
# Python Program to Toggle Characters Case in a String
string = input("Please Enter your Own String : ")
string1 = string.swapcase()
print("\nOriginal String = ", string)
print("The Given String After Toggling Case = ", string1)Python 切換字符串大小寫輸出
Please Enter your Own String : Python PROgrams
Original String = Python PROgrams
The Given String After Toggling Case = pYTHON proGRAMS
這個(gè) python 程序允許用戶輸入字符串。接下來,它將小寫字母切換為大寫,將大寫字符切換為小寫。
首先,我們使用 For Loop 來迭代一個(gè)字符串中的字符。在 Python For Loop 中,我們使用的是 Elif 語句。
提示:請(qǐng)參考總字符 ASCII 值一文和 ASCII 表了解 ASCII 值。接下來參考轉(zhuǎn)換成大寫、轉(zhuǎn)換成小寫的文章了解邏輯。
# Python Program to Toggle Characters Case in a String
string = input("Please Enter your Own String : ")
string1 = ''
for i in range(len(string)):
if(string[i] >= 'a' and string[i] <= 'z'):
string1 = string1 + chr((ord(string[i]) - 32))
elif(string[i] >= 'A' and string[i] <= 'Z'):
string1 = string1 + chr((ord(string[i]) + 32))
else:
string1 = string1 + string[i]
print("\nOriginal String = ", string)
print("The Given String After Toggling Case = ", string1)Python 切換字符串大小寫輸出
Please Enter your Own String : HellO WOrlD
Original String = HellO WOrlD
The Given String After Toggling Case = hELLo woRLd
這個(gè) python 切換用例程序與上面的相同。然而,我們只是將 For 循環(huán)替換為 While 循環(huán)。
# Python Program to Toggle Characters Case in a String
string = input("Please Enter your Own String : ")
string1 = ''
i = 0
while(i < len(string)):
if(string[i] >= 'a' and string[i] <= 'z'):
string1 = string1 + chr((ord(string[i]) - 32))
elif(string[i] >= 'A' and string[i] <= 'Z'):
string1 = string1 + chr((ord(string[i]) + 32))
else:
string1 = string1 + string[i]
i = i + 1
print("\nOriginal String = ", string)
print("The Given String After Toggling Case = ", string1)Python 切換字符串大小寫輸出
Please Enter your Own String : TuTORiaL GAteWaY
Original String = TuTORiaL GAteWaY
The Given String After Toggling Case = tUtorIAl gaTEwAy
這個(gè) python 字符串轉(zhuǎn)換程序與第二個(gè)示例相同。然而,我們使用的是對(duì)象循環(huán)。
# Python Program to Toggle Characters Case in a String
string = input("Please Enter your Own String : ")
string1 = ''
for i in string:
if(i >= 'a' and i <= 'z'):
string1 = string1 + chr((ord(i) - 32))
elif(i >= 'A' and i <= 'Z'):
string1 = string1 + chr((ord(i) + 32))
else:
string1 = string1 + i
print("\nOriginal String = ", string)
print("The Given String After Toggling Case = ", string1)
在這個(gè)程序中,我們將每個(gè)字符與 ASCII 值進(jìn)行比較,找出這個(gè)字符串中的小寫和大寫字符。如果是真的,我們正在切換他們的案件。
# Python Program to Toggle Characters Case in a String
string = input("Please Enter your Own String : ")
string1 = ''
for i in string:
if(ord(i) >= 65 and ord(i) <= 90):
string1 = string1 + chr((ord(i) + 32))
elif(ord(i) >= 97 and ord(i) <= 122):
string1 = string1 + chr((ord(i) - 32))
else:
string1 = string1 + i
print("\nOriginal String = ", string)
print("The Given String After Toggling Case = ", string1)Python 切換字符串大小寫輸出
Please Enter your Own String : ToGGLe StRINg CasEs
Original String = ToGGLe StRINg CasEs
The Given String After Toggling Case = tOgglE sTrinG cASeS 
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