python + csv operation (read and write)

CSV Import 

"" " 
with different excel file, csv file: 
1. Data are no data type, the value is 'string' 
2. No color and style, can not specify the width and height of the test cell, the cell can not merge 
3 . no work table 
4. The image can not be embedded chart 
"" " 
readcsv.csv follows:

 

 

Data = # [] 
# = csvFile Open ( 'readcsv.csv', 'R & lt') 
# = csv.reader Reader (csvFile) 
# Item for in Reader: 
# # Print (Item) 
# data.append (Item) 
# Print (Data) 
# 
# # Close csv file 
# csvFile.close () 

# 
# read local csv file 
# with Open ( 'readcsv.csv', 'R & lt') AS csvFile: 
# = csv.reader Reader1 (csvFile) 
# for in Reader1 Line: 
# Print (Line) 

csvFile2.csv as follows:

 

# Csv file is written from the list -> Read data from the list (a) 
# = csvFile2 Open ( 'csvFile2.csv', 'W', NEWLINE = '', encoding = 'UTF-. 8') 
# Writer csv.writer = (csvFile2) 
# m = len (Data) 
# for I in Range (m): 
# writer.writerow (Data [I]) 
# csvFile2.close () 

# write csv file from the list -> read from the data list (B) 
DATAl = [[ 'A1', 123], [ 'A2', 234], [ 'A3', 345], [ 'A4', 456]] 
csvFile2 = Open ( 'csvFile2 .csv ',' W ', NEWLINE =' ', encoding =' UTF-. 8 ') 
Writer = csv.writer (csvFile2) 
m = len (DATAl) 
for I in Range (m): 
    writer.writerow (DATAl [I ]) 
csvFile2.close () 

# written from the dictionary 
data2 = { 'b1': 123 , 'b2': 234, 'b3': 345, 'b4':456}
csvFile2 = open('csvFile2.csv','w',newline='',encoding='utf-8')
writer = csv.writer(csvFile2)
for key in data2:
    writer.writerow([key,data2[key]])
csvFile2.close()