Python:TypeError:無法連接‘str’和‘int’對象我有一個python程序,它向整數(shù)添加字符串:a = raw_input("Enter a: ")b = raw_input("Enter b: ")print "a + b as strings: " + a + b
a = int(a)b = int(b)c = a + b
str(c)print "a + b as integers: " + c我知道這個錯誤:Python: TypeError: cannot concatenate 'str' and 'int' objects如何向整數(shù)中添加字符串?
3 回答

喵喔喔
TA貢獻(xiàn)1735條經(jīng)驗(yàn) 獲得超5個贊
有兩種方法可以解決最后一個問題引起的問題。print聲明。
屬性的結(jié)果。str(c)打電話給c正如@jamylak正確顯示的那樣,然后連接所有字符串,或者可以替換最后一個字符串。print簡單地說:
print "a + b as integers: ", c # note the comma here
在這種情況下
str(c)
是不必要的,可以刪除。
樣本運(yùn)行輸出:
Enter a: 3
Enter b: 7
a + b as strings: 37
a + b as integers: 10
有:
a = raw_input("Enter a: ")
b = raw_input("Enter b: ")
print "a + b as strings: " + a + b # + everywhere is ok since all are strings
a = int(a)
b = int(b)
c = a + b
print "a + b as integers: ", c

繁花如伊
TA貢獻(xiàn)2012條經(jīng)驗(yàn) 獲得超12個贊
i = 123a = "foobar"s = a + str(i)
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